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Eldridge Grade is a 10.9 mile moderately trafficked out and back trail located near Greenbrae, California that features a river. The trail is rated as difficult and is primarily used for hiking and mountain biking. Dogs are also able to use this trail but must be kept on leash.

Distance: 10.9 miles Elevation Gain: 2,132 feet Route Type: Out & Back

dogs on leash


mountain biking



wild flowers


The watershed remains open to the public, with some restrictions, for recreational use daily from sunrise to sunset. The recent county health order prohibits vehicles and parking at the watershed, with the exception of people with disabilities who have the required disability placards or license plates for their vehicles. Parking for those with disabilities is available at our Sky Oaks parking lot. While the watershed remains open, visitors must comply with social distancing requirements of at least 6 feet. All volunteer programs that take place on the watershed have been canceled until further notice.

8 months ago

Sun Oct 21 2018

Some beautiful scenery but trail not well marked, a number of intersections with no clues as to what goes where. Restroom facilities gross.

Sat Aug 05 2017

Bikes dusty mostly exposed, lovely views tho

Fri May 12 2017

awesome, beastly

17 days ago

2 months ago

mountain biking
4 months ago

mountain biking
Sun May 12 2019

Tue Apr 23 2019

mountain biking
Wed Oct 24 2018

mountain biking
Sat Sep 15 2018

Sat Jul 22 2017

Sat Jul 16 2016

Mon Jul 28 2014

Sun Mar 30 2014