2017 Grizzly Peak Century


A bit longer than a metric century, the 75 mile course with about 6,000 feet of climbing is our most popular route. Regretably, due to circumstances beyond our control, it is the only route for 2017. From the start at Campolindo High School it goes to Orinda and climbs the east side of the Oakland-Berkeley hills via Wildcat Canyon to the rest stop at Island Picnic Area. The route then proceeds to Grizzly Peak Blvd. for a short loop before descending to San Pablo Reservoir. The ride then heads north to a rest stop at Port Costa via a route along San Pablo Bay and Carquinez Strait. From there it climbs McEwen Road for a run down into Franklin Canyon and Alhambra Valley, then over Pig Farm Hill and through the hills around Briones Reservoir to the rest stop at Briones Regional Park. Finally, relatively easy riding on Moraga Way and Moraga Road takes you back to the start for the post-ride meal at mile 75.

Alternative Car-Free Start

If you use our car-free start at Island Picnic Area, just join the regular route and you will eventually get to Campolindo High School where the barbeque takes place. Enjoy your meal, then ride the 13+ miles back past Island (which will be long since closed), or deviate from the course at whatever point is best for your return trip home. Use the directions on the start of the cue sheet if you need help and be aware of road closures which might affect your normal trip home.

Tricky Bits

Between mile 9.4 and 13.3 the route is ascending Wildcat Canyon and between mile 18.9 and 22.8 the route descends the same section. Also at mile 9.4, riders will be turning left from Camino Pablo/San Pablo Dam Rd onto Wildcat and at mile 22.8 riders will be turning left from Wildcat onto San Pablo Dam Rd. Please be very cautious in this area.

At mile 40.9 in Crockett turn left onto Rolph Ave. In past years the route went straight, so if you are a returning rider you could easily miss the improved route.

At mile 43.6 turn left on Canyon Lake Road and go downhill to the rest stop at Port Costa. It is easy to miss because you will be descending.

At mile 60.9 turn left into Briones Park to go to the rest stop. It is on a fast descent, so easy to miss.

At mile 71.9 continue straight. The yellow markings on the road will say GPC Metric with a straight arrow. In prior years, at this point, the Full Century riders turned right, so there may be residual road markings for that route.


Below is a tentative map. You will receive a final map at registration. Note that you can click on View full route to see more details and to export files suitable for importing into your GPS device.

Cue Sheet

We have a tentative cue sheet available now. You will receive a final cue sheet at registration.