Routes

Cal cyclists frequent a lot of different mountain, road, and cyclocross routes in and around the East Bay. This page provides a quick list of some of the more popular routes.
You can use the box below to filter the list to display just road or mountain routes, and the list can be sorted by name, distance, and difficulty.
Grizzly Peak
Route Description

This is an easy beginners ride. It starts up Tunnel Rd. like most rides from Berkeley. Tunnel Rd. climbs steadily at an average 5% grade for about 4 miles. The other easy climb out of town is Spruce Rd. to the North which is a little steeper and shorter than Tunnel Rd. This ride then turns left onto Grizzly Peak and follows the ridge line above Berkeley for 7-8 miles. There are many great views along the way. Finally, the ride descends Euclid. Euclid is a very nice descent from the North. The road is smooth and most of the curves are gentle with the exception of a slick S-turn near the bottom.

Time: 1-1.5 hours
Distance: 16.22 miles
Difficulty: Easy
Climbing: 1856 feet

Directions
Mile 0.00 – Depart Sproul Plaza. Start down Bancroft Ave.
Mile 0.13 – Turn left on Dana St. Cross Durant.
Mile 0.25 – Turn left on Channing Wy. Cross Telegraph and Bowditch.
Mile 0.63 – Turn right on College Ave. Pass Haste.
Mile 0.75 – Turn left on Dwight Wy.
Mile 0.88 – Take second right on Piedmont Ave. Pass through two road barriers.
Mile 1.18 – Turn left on Forrest Ave.
Mile 1.40 – Turn right at T intersection.
Mile 1.48 – Turn left on Gerber, beware the crooked pole.
Mile 1.54 – Turn right onto Claremont Blvd.
Mile 1.68 – Turn left onto Russell.
Mile 1.75 – Forced right turn; pass Domingo Peet’s, go straight across Ashby.
Mile 1.89 – Turn left on El Camino.
Mile 2.22 – Turn left on The Uplands.
Mile 2.40 – Turn right on Tunnel Rd.
Mile 2.85 – Turn left at light onto Caldecott Ln, start climbing.
Mile 3.21 – At crest, make quick left, then right onto Tunnel Rd. A long gradual climb starts here.
Mile 6.34 – Skyline (used to be Tunnel) at Grizzly Peak. The Saturday ride stops up ahead on the left at Sibley Park. For this ride, turn left on Grizzly Peak.
Mile 8.78 – Go straight through stop sign at Claremont. Claremont Ave. is a fast fun descent back to Domingo Peet’s.
Mile 11.79 – Go straight through stop sign at Centenniel. This is another very fast descent into Berkeley.
Mile 13.88 – Turn left onto Euclid Ave. This is the standard descent when returning on Wildcat Canyon.
Mile 15.20 – Watch out for oil in this sweeping left turn.
Mile 15.94 – Turn right on Virginia St. (if you live in that direction).
Mile 16.22 – Spruce and Virginia, end of ride.

 

Joaquin Miller

Joaquin Miller is another short easy ride appropriate for beginners or those looking for an easy day. The route goes out Tunnel and across Skyline to Joaquin Miller. But, instead of heading right to Redwood, it instead heads left and returns to Berkeley via neighborhood streets (and a bike path) in Claremont, a neighborhood of Oakland. The way back is tricky so make sure you go with someone who knows where they’re going the first time.

Time: 1.25-1.75 hours
Distance: 20.35 miles
Difficulty: Easy
Climbing: 2112 feet

Directions

Mile 00.00 – Sproul Plaza to Tunnel Road.
Mile 06.34 – Continue straight on Skyline past Grizzly Peak.
Mile 11.49 – Turn right on Joaquin Miller at the light. The descent is fast and wide-open, but mind the stop sign at the bottom.
Mile 12.67 – Bear right at the stop sign onto Mountain Rd. When in doubt on this ride, follow Mountain Rd.
Mile 13.30 – At the stop sign, turn left and continue on Mountain Rd.
Mile 14.45 – Bear right at the stop light (left will put you on the freeway).
Mile 14.52 – Take the first left onto Mountain Rd. (again).
Mile 14.85 – Take the second left onto Florence, following by a forced right onto Duncan Wy.
Mile 15.50 – After passing under the freeway, take a right onto a small one lane road into a park. Then, veer right onto the sidewalk to join a bike path off to the right. You should pass a lake and picnic area to your left if you did this right.
Mile 16.05 – Head left onto the road at the end of the path.
Mile 16.55 – Turn left at the second opportunity onto a short nameless road, then immediately turn right at the stop sign onto Golden Gate to cross under 24.
Mile 16.74 – Turn left onto Chabot Rd.
Mile 17.48 – Turn right onto College; follow it all the way to Bancroft.
Mile 19.00 – College and Bancroft. You’re back on campus.
Redwood Wildcat

Redwood-Wildcat is a medium length ride with a few climbs. It goes up Tunnel and South across Skyline. Then, the route descends Redwood Road, a long gradual descent into the woods. The descent is fairly straight and easy to ride. Then, the road turns North onto Pinehurst for a short climb and technical descent before heading into Moraga. A shorter alternative to Redwood is to descend Pinehurst from Skyline instead of going all the way to Redwood. This ride is called <em>Pinehurst-Wildcat</em>. Once in Moraga, the ride heads North on busy Moraga Way. It’s best to keep to the shoulder on this stretch of road. Finally, the route returns over the hills to Berkeley via Wildcat Canyon (a common end to many a ride).

Time: 2-2.5 hours
Distance: 34.40 miles
Difficulty: Moderate
Climbing: 3483 feet

Directions

Mile 00.00 – Sproul Plaza to Tunnel Road.
Mile 06.34 – Skyline and Grizzly Peak. Continue straight on Skyline past Grizzly Peak.
Mile 08.03 – Skyline and Pinehurst. Continue on Skyline at the 5-way intersection.
Alternative Route (in red): Turn left on Pinehurst. The descent is windy with a couple of hairpins. Rejoin the route at the Y-intersection with Canyon Rd. after about 4 miles.
Mile 11.49 – Turn left on Joaquin Miller at the light.
Mile 12.11 – Turn left on Redwood Rd. at the light. This is a nice, long descent on a relatively straight (and wooded) road. During the winter, this road can be especially cold.
Mile 14.57 – Turn left onto Pinehurst. This is a short climb followed by a winding descent.
Mile 17.30 – At the Y-intersection, turn right on Canyon Rd. (Pinehurst-Wildcat rejoins.) After a short climb and descent, the famous walking man sprint lies just past a bridge (but farther than you think if you jump early).
Mile 19.00 – Turn left on Country Club Dr. one block before the light on Moraga Way.
Mile 19.43 – Turn right at the stop sign, then left onto Moraga Way. Moraga Way has heavy traffic, so it’s best to ride on the wide shoulder on this stretch of road.
Mile 23.53 – Bear left as Moraga Way becomes Camino Pablo. As you ride under the freeway, watch out for cars entering and exiting.
Mile 25.95 – Turn left onto Wildcat Canyon for the climb home. The first half is the steepest part; after that, the grade mellows. This is a nice, wooded climb that doesn’t seem so nice at the end of longer rides.
Mile 28.33 – Inspiration Point. It’s mostly down hill from here. This is a nice place to stop, regroup, and take in the view.
Mile 31.84 – Top of Spruce. Head left to descend into Berkeley via Euclid.

The Three Bears
The Three Bears is a standard East Bay route. The Berkeley Hills Road Race takes place on this loop. The Three Bears refers to the section on Bear Creek Road which has three climbs called Papa Bear, Mama Bear, and Baby Bear. From Alhambra Valley Road, Mama Bear is first, Baby Bear is in the middle, and Papa Bear is last (at least that’s my interpretation).

Time: 2-2.5 hours
Distance: 35.21 miles
Difficulty: Moderate
Climbing: 4482 feet

Directions

Mile 00.00 – Spruce and Virginia. Start climbing up Spruce.
Mile 02.05 – At five-way intersection, continue straight onto Wildcat Canyon. The road winds gently up to Inspiration Point.
Mile 05.49 – Inspiration Point. The Wildcat Canyon descent starts here. This is a fun technical descent, but watch out for the 15 mph left turns.
Mile 07.96 – Turn left on San Pablo Dam Rd. Thus we enter the Three Bears loop. This is a fast road which tends downward. However, there is a lot a traffic so stick to the shoulder.
Mile 13.33 – Turn right on Castro Ranch Rd. There are a couple of short steep rises.
Mile 15.56 – Turn right on Alhambra Valley Rd. This is a pleasant rolling road with almost no traffic.
Mile 18.29 – Turn right on Bear Creek Rd. and get ready to tackle the Bears.
Mile 20.35 – That was Mama Bear.
Mile 20.96 – That was Baby Bear.
Mile 23.61 – That was Papa Bear. After a short bump, tuck in for a super fast descent.
Mile 26.75 – Go straight onto Wildcat Canyon for the climb back to Berkeley. This intersection is where we exit the Three Bears loop.
Mile 32.63 – At the 5-way intersection, head left on Grizzly Peak to descend via Euclid.
Mile 35.21 – Sprice and Virginia. End of ride.
The Hill Ride
Route Description

The Hill Ride is a classic team ride of ours where we do hill intervals. This ride contains six climbs with almost5,000 feet of climbing in less than 30 miles! We warmup over Wildcat, then climb the Pumphouse climb, Happy Valley, back over Happy Valley, Papa Bear, and finally end with a time trial back up Wildcat. This ride is as hard as you want to make it; the hills are there.

Time: 2 hours
Distance: 28.43 miles
Difficulty: Hard
Climbing: 4657 feet

Directions
Mile 0.00 – Spruce and Virginia. Climb #1: Start climbing up Spruce. This plus Wildcat is warmup.
Mile 2.05 – At five-way intersection, continue straight onto Wildcat Canyon.
Mile 5.49 – Inspiration Point.
Mile 7.96 – Go straight across San Pablo Dam Rd. to Bear Creek Rd.
Mile 11.06 – Climb #2: Pumphouse climb. This is the first real effort of the ride. This climb is a steady grind, gaining 600 ft. over 2.25 miles. Oh yeah, there’s a false summit too. Hah!
Mile 12.07 – After the fast wide-open descent, turn right on Happy Valley. The next climb lies ahead.
Mile 13.07 – Climb #3: Happy Valley. This one starts after the hairpin turn. It’s short but steep, gaining almost 300 ft. in 0.55 miles!
Mile 13.98 – Turnaround and go up the backside of Happy Valley.
Mile 14.83 – Climb #4: Happy Valley, again. This time we go over the back side. It’s slight longer but almost as steep, gaining 320 ft. over 0.61 miles.
Mile 15.83 – Turn left on Bear Creek Rd. and head back over Papa Bear (called Pumphouse the other way).
Mile 16.85 – Climb #5: Papa Bear. Back the way we came, the climb to the summit is 1 mile and 350 ft elevation, but we don’t stop there. We race all the way down the backside (at 50 mph) to contest the Orinda sprint at the bottom of hill.
Mile 19.97 – Continue straight at San Pablo Dam Rd. onto Wildcat Canyon, the last climb of the ride.
Mile 22.49 – Climb #6: Last but not least, the Wildcat Canyon time trial. This climb gains 600 ft. over 2.5 miles. It’s steeper at the bottom than at the top. If you do it right, you should split your time at El Toyonal.
Mile 25.85 – At the 5-way intersection, head left on Grizzly Peak to descend via Euclid.
Mile 28.43 – Sprice and Virginia. End of ride.
Pig Farm
Pig Farm is a moderately long ride with some pretty hard climbs in it. Its namesake is Pig Farm Hill on Alhambra Valley Road, and yes there is a pig farm at the top (thankfully it’s no longer in use, but do this ride with Paul and you may wonder). The ride starts up Tunnel and descends Pinehurst into Moraga. Then, the ride continues on St. Mary’s Road into Lafayette and towards Walnut Creek. This is a common route East on longer rides. Reliez Valley features a warmup climb followed by some rollers. Pig Farm hill itself is just a short steep pitch, often exposed to the sun, after a long gradual runup. The return leg of this ride circumvents the usual climb over the hills back to Berkeley by going around to the North. We like to call this way home Flats. Like Joaquin Miller, only attempt Flats with someone who knows where they’re going. There are many turns and little tricks to the route.

Time: 3-3.5 hours
Distance: 46.71 miles
Difficulty: Moderate
Climbing: 3641 feet

Directions

Mile 00.00 – Sproul Plaza to Tunnel Road.
Mile 06.34 – Skyline and Grizzly Peak. Continue straight on Skyline past Grizzly Peak.
Mile 08.03 – Skyline and Pinehurst. Turn left on Pinehurst and descend the windy road.
Mile 12.02 – Turn left on Canyon Rd. The walking man sprint is just on the other side of the hill.
Mile 14.17 – Turn right on St. Mary’s Rd. This is a nice, fast road, but as with many roads in this area, it is heavily trafficed.
Mile 17.35 – Turn right at a stop sign on Glenside Rd., then left at the Y ahead onto Glenside Rd. There is a steep descent on this road that ends in a stop signs. Be on the brakes.
Mile 18.41 – STOP at the stop sign, then turn right onto Olympic Blvd.
Mile 18.66 – Turn left on Pleasant Hill Rd. It isn’t really all that pleasant, but it’s on the way.
Mile 20.41 – Turn left at the light onto Reliez Valley Rd. Here the fun starts. This is a nice climb through a quiet, wooded residential street. It gets steep near the top, then the descent is a real screamer punctuated by some poorly placed stop signs.
Mile 24-25 – There’s a park off to the right somewhere in here but it’s not on the map. We stop there for water.
Mile 29.10 – Summit of Pig Farm hill. There is a long gradual climb puntuated by a steep pitch to the top. Super steep descent afterwards. You can hit 50-55mph here.
Mile 30.54 – Go straight on Alhambra Valley Rd. past Bear Creek Rd. An alternative, hillier route home is to go over the Bears and Wildcat.
Mile 33.26 – Turn left on Castro Ranch.
Mile 35.32 – Turn right on Olinda Road. At the end of the road, turn left.
Mile 36.12 – Turn right on San Pablo Dam Rd. The route from here on out is called Flats. There are many variations, tricks, and shortcuts. This is just the main route home.
Mile 39.22 – Somewhat illegal left turn onto Amador Ave. Just before the turn, cross the road and ride on the left shoulder. There’s no way to actually make the left turn at the intersection.
Mile 40.22 – Just before it looks like you’re going up a wall, turn right on Clinton, following signs for the I-80 bikeway.
Mile 40.50 – Turn left onto Key Blvd., once again following signs for the I-80 bikeway.
Mile 41.65 – Key Blvd. becomes Elm.
Mile 41.85 – Jog left and continue on Richmond.
Mile 42.65 – Turn left on Moeser.
Mile 42.75 – Turn right on Ashbury.
Mile 43.65 – Turn left on Fairmount.
Mile 43.85 – Just before the cemetery, bear right onto Colusa.
Mile 44.98 – Turn left on Solano.
Mile 45.15 – Turn right on The Alameda. This soon becomes MLK in Berkeley from which you can find your way home.

Fruit Stand
Route Description
Fruit stand gets its name from the large fruit stand at the corner of San Ramon Valley and Crow Canyon Road which is a traditional stopping point on team rides. Although two-thirds of the ride goes next to freeways, it is popular because it is fairly falt for its length and has many food stops and town line sprints. The nicest part is in the beginning on Redwood Road, a lightly used East Bay Park access road.

Time: 3.5-4.5 hours
Distance: 60.89 miles
Difficulty: Hard
Climbing: 4922 feet

Directions
Mile 0.00 – Sproul Plaza to Tunnel Road.
Mile 6.34 – Skyline and Grizzly Peak. Continue straight on Skyline past Grizzly Peak.
Mile 11.51 – Turn left at light on Joaquin Miller.
Mile 12.11 – Turn left on Redwood Rd. There is a long gradual descent into the forest.
Mile 14.40 – Go past the intersection with Pinehurst. This is where the fruit stand ride diverges from most rides that start with Redwood. The next climb is deserted, and the descent is no brakes but not straight either.
Mile 23.74 – You will eventually go over a small hump into Castro Valley. Turn left on Heyer Ave.
Mile 24.49 – Go straight past Center St. up the steep hill.
Alternative Route (in green): Turn right for the longer Dublin Canyon route. Then turn left on Castro Valley Rd. which eventually becomes Dublin Canyon. Once in Pleasanton, turn left on Foothill Blvd. to eventually rejoin the ride.
Mile 24.78 – Turn right on Cull Canyon Rd.
Mile 24.93 – Tricky left onto Crow Canyon Rd. Move over well in advance. Crow Canyon is a nice road except for the cars and the mess on the shoulder. This road is definitely single file.
Mile 27.73 – Go straight past Norris Canyon Rd. or…
Alternative Route (in red): Bear right onto Norris Canyon Rd. for a nice climb and fast descent. Rejoin the route at San Ramon Valley.
Mile 32.67 – Fruit stand! We stop here for food then head left on San Ramon Valley for the flat portion of the ride.
Mile 35.97 – Bear left on Hartz through the center of Danville.
Mile 41.05 – At the end of the long straight section, head straight at the light (instead of turning right under the freeway).
Mile 41.32 – Turn left on Castle Hill Rd.
Mile 41.60 – Turn right onto Lancaster, then left onto Lilac Dr shortly.
Mile 42.27 – Turn left on Newell Ave.
Mile 42.95 – Turn left on Olympic Blvd. This should look familiar as rides often come out this way. Olympic Blvd. is the bar in the dumbell of many longer rides, so there are many ways back from here. Everyone has a favorite.
Mile 44.47 – When you reach the T-intersection, go straight onto the bike path.
Mile 44.87 – Turn right off the bike path at the first opportunity, then left onto Olympic Blvd.
Mile 45.55 – Turn right on Second St. then left ahead on Mt. Diablo Blvd. The ride through Lafayette sucks.
Mile 47.47 – Bear right onto El Nido Ranch Rd. for the Orindawoods return. This small climb can be the test of truth at the end of an epic ride.
Alternative Route (in red): – Keep going straight for a variation called Bike Path. Surprisingly enough, it follows the bike path along 24.
Mile 49.26 – After a short steep pitch, turn left onto Orindawoods Dr. for the descent into Ordina.
Mile 50.45 – Turn right onto El Camino Pablo.
Mile 52.43 – Turn left on Wildcat Canyon for the climb back to Berkeley. This is another killer at the end of a long day.
Mile 58.28 – Head left at the 5-way intersection to descend via Euclid.
Palomares

Palomares is a longer version of Dublin Canyon fruitstand with one additional climb and 15-20 additional miles. With the exception of the steep Palomares climb (and the ever present climbs in and out of Berkeley), this ride is fairly flat. It departs the fruitstand route at Dublin Canyon and heads south along Palomares almost all the way to Fremont. From there, it’s a long flat trek northward along Foothill Rd. which becomes San Ramon Valley Rd. The return options are the same as fruistand. On this map, we return via Orindawoods.

Time: 5-6 hours
Distance: 84.15 miles
Difficulty: Moderate-Hard
Climbing: 6603 feet

Directions
Mile 0.00 – Sproul Plaza to Tunnel Road.
Mile 11.51 – Turn left at light on Joaquin Miller.
Mile 12.11 – Turn left on Redwood Rd. There is a long gradual descent into the forest.
Mile 14.40 – Go past the intersection with Pinehurst. There is a climb and a fast descent.
Mile 23.74 – You will eventually go over a small hump into Castro Valley. Turn left on Heyer Ave.
Mile 24.49 – Turn right on Center St. This is where the Dublin Canyon route diverges from the Crow Canyon route.
Mile 25.18 – Turn left at light onto Castro Valley Rd. Head up small incline and then under freeway overpass.
Mile 27.23 – Turn right on Palo Verde.
Mile 27.59 – Turn right on Palomares Rd. Here we depart from the fruistand road and enter one of the gems of the East Bay. The next 10 miles are peaceful and isolated, second only to Morgan Territory. Palomares climbs gently into the woods before it pitches up steeply for the last 1.5 miles. The wooded descent on the other side is fast and technical, lots of fun!
Mile 37.28 – Carefully turn left onto Niles Canyon Rd. This is a busy road, so watch out for cars and stick to the shoulder. There is usually a tailwind on this strech so you won’t notice the slight uphill.
Mile 41.48 – Once in Sunol, exit Niles Canyon Rd. and cross under (or is it over?) the road to Kilkara Rd. You’ll know this is the right place if you immediately cross some train tracks and then are able to take a right onto Foothill Rd. This road is mostly flat and it goes all the way North. Turn on cruise control and rejoin these directions at fruitstand.
Mile 55.95 – Fruit stand! From here on out, the directions are the return route from fruitstand.
Mile 59.25 – Bear left on Hartz through the center of Danville.
Mile 64.35 – At the end of the long straight section, head straight at the light (instead of turning right under the freeway).
Mile 64.60 – Turn left on Castle Hill Rd.
Mile 64.98 – Turn right on Lancaster Dr, then left onto Lilac Dr shortly.
Mile 65.50 – Turn left on Newell Ave.
Mile 65.80 – Turn left on Olympic Blvd. This should look familiar as rides often come out this way. Olympic Blvd. is the bar in the dumbbell of many longer rides, so there are many ways back from here. Everyone has a favorite.
Mile 67.75 – When you reach the T-intersection, go straight onto the bike path.
Mile 68.15 – Turn right off the bike path at the first opportunity, then left onto Olympic Blvd.
Mile 68.80 – Turn right on Second St. then left ahead on Mt. Diablo Blvd. The ride through Lafayette sucks.
Mile 70.70 – Bear right onto El Nido Ranch Rd. for the Orindawoods return.
Mile 72.56 – After a short steep pitch, turn left onto Orindawoods Dr. for the descent into Ordina.
Mile 73.71 – Turn right onto El Camino Pablo.
Mile 75.72 – Turn left on Wildcat Canyon for the climb back to Berkeley. This is another killer at the end of a long day.
Mile 81.54 – Head left at the 5-way intersection to descend via Euclid.
Mt. Diablo

Mt. Diablo, west of Walnut Creek, is the closest of the three big mountains in the Bay Area. Mt. Tamalpais in Marin is2,571 ft, Mt. Diablo is3,849 ft, and Mt. Hamilton near San Jose is 5000 ft. It has been claimed that on the clearest of days the landmass viewable from the summit is second only to Mt. Kilimanjaro which peaks at over 19,000 ft. Our former webmaster has personally seen Half Dome in Yosemite, Mt. Lassen and the Faralon Islands (35 miles past the Golden Gate) from the summit of the mountian.

Time: 5-6 hours
Distance: 76.89 miles
Difficulty: Hard
Climbing: 8381 feet

Directions

Mile 0.00 – Sproul Plaza to Tunnel Road.
Mile 6.34 – Skyline and Grizzly Peak. Continue straight on Skyline past Grizzly Peak.
Mile 8.03 – Skyline and Pinehurst. Turn left on Pinehurst and descend the windy road.
Mile 12.02 – Turn left on Canyon Rd. The walking man sprint is just on the other side of the hill.
Mile 14.17 – Turn right on St. Mary’s Rd. This is a nice, fast road, but as with many roads in this area, it is heavily trafficed.
Mile 17.35 – Turn right at a stop sign on Glenside Rd., then left at the Y ahead onto Glenside Rd. There is a steep descent on this road that ends in a stop signs. Be on the brakes.
Mile 18.41 – STOP at the stop sign, then turn right onto Olympic Blvd.
Mile 19.53 – Turn right on Tice Valley Rd.
Mile 21.41 – Turn right on Crest Ave. after a short uphill.
Mile 21.69 – Forced left on Hillgrade Ave.
Mile 22.21 – Turn right on Danville Blvd.
Mile 23.64 – Turn left on Stone Valley Rd. After passing under 680, we start making our way to the base of Mt. Diablo.
Mile 26.75 – Turn right on Green Valley Rd. Its a big intersection after a short downhill after a school.
Mile 27.37 – Turn left on Diablo Rd.
Mile 28.41 – At the Y, go straight (not right). Up ahead, it is possible to head left into the neighborhood and reach the climb by cutting through a yard. In fact, it’s arguably the nicer way to go. But, we’ll go the official way past the Athenian school.
Mile 28.74 – Forced right onto Avenida Nueva.
Mile 28.82 – Turn left on Blackhawk Rd.
Mile 29.00 – Turn left onto Mt. Diablo Scenic Blvd. This is the start of the South Gate climb (elevation 570 ft). Start your watches as you pass the Athenian School. Fast climbers can reach the summit from there in under an hour. This climb really is fantastic. It’s reasonably graded the whole way up (except for 200 meters at the top) and the panoramic views are breathtaking.
Mile 32.58 – South Gate (elevation 1500 ft). This is the entrance to Mt. Diablo State Park and it means you’re one third of the way up.
Mile 35.67 – Ranger Station (evelvation 2200 ft). Some rides stop here and descend, as this is the point where the North Gate and South Gate roads meet. The road to the summit gets steeper from here. The last 200 meters are especially nasty. It’s essentially a 13% grade cowpath up to the parking lot on top.
Mile 40.03 – Summit (elevation 3800 ft). By this time, you’ve climbed 3239 ft. in 11 miles. Enjoy the views from the top before you embark on a long descent.
Mile 44.32 – Back at Ranger Station. Head right to descend North Gate Rd., the nicer of the two descents. Right after ranger station, there are a series of switchbacks, then it’s fast and curvy the rest of the way down.
Mile 50.47 – North Gate. This is the North entrance to the park.
Mile 52.17 – Turn right on Castle Rock Rd.
Mile 52.25 – Turn left on Walnut Ave. at the roundabout.
Mile 53.27 – Turn left on Las Lomas. Note: the route back through Walnut Creek involves bike paths, sidewalks, parking lots, and general voodoo and trickery. Following these directions is likely to get you lost so go with someone who knows the way.
Mile 53.53 – Turn right on San Carlos Dr.
Mile 54.27 – Turn left on Los Cerros, which followed to the end will put you on a sidewalk/bike path and pop you out on La Casa Via.
Mile 54.68 – Turn left on Montego.
Mile 55.30 – Tricky. Turn left onto the sidewak of Ygnacio Valley, ride one block, then hop off and turn left on Homestead Ave.
Mile 56.15 – Turn right on Walker Ave. (becomes Mt. Diablo Blvd)
Mile 56.49 – Turn left on San Miguel.
Mile 57.00 – Sharp right onto Newell.
Mile 58.20 – Turn left on Olympic Blvd. This is on the way back from Fruit Stand.
Mile 59.72 – When you reach the T-intersection, go straight onto the bike path.
Mile 60.12 – Turn right off the bike path at the first opportunity, then left onto Olympic Blvd.
Mile 60.80 – Turn right on Second St. then left ahead on Mt. Diablo Blvd.
Mile 61.58 – Turn right on Happy Valley. This way back is called Half Happy because it goes halfway up the backside of Happy Valley Rd. (Although you’ll find this climb anything but happy at this point.)
Mile 64.28 – Turn left on Sundown Terrace. This is halfway up the steep part of Happy Valley.
Mile 64.71 – After a couple of speed bumps, turn left on Dalewood Dr.
Mile 65.12 – Turn left on Lombardy Ln. after a short downhill.
Mile 66.16 – Lombardy Ln. merges with Miner Rd.
Mile 67.19 – Turn right on El Camino Pablo.
Mile 68.36 – Turn left on Wildcat Canyon for the familiar return to Berkeley.

 

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