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Water Dog Lake Park Loop

 46 votes


6.8 Miles 10.9 Kilometers




1,217' 371 m


-1,215' -370 m



Avg Grade (4°)


Max Grade (17°)

705' 215 m


321' 98 m



All Clear 82 days ago
Mostly Dry, Some Mud - A patch of mud here or there, but nothing that’s a problem. Mostly dry and pretty hard. History

Getting forecast...

Surprisingly technical singletrack for suburban Silicon Valley.

John Harris


Open sunrise to sunset. Trails are multi-use, but you're not likely to see horses here. Dogs are permitted on leash.
Water Dog Lake Park consists of steep sided Chaparral surrounding a small lake, nestled in suburban Silicon Valley. But dont let that fool you, this is a surprisingly technical trail system if you stay off the fire road.
Dogs: Leashed

Need to Know

Watch out for Poison Oak.


This 6.8 mile loop covers most of the trails in the park and almost all of the singletrack. The trail is often narrow and traverses steep sided chaparral. It's laid out for bike riding so while it's sometimes steep, it's always rideable. There are a few steep loose, rutted sections and narrow wooden bridges that may intimidate the less experienced rider, but they can be easily avoided.

The loop takes an hour or less if you're fit and don't stop, more than an hour if you stop or are not familiar with the route. Once you have it dialed in this can be a rip-snortingly fast ride. Have fun!


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Your Check-Ins


Feb 24, 2018
Chris March
Stakes found driven into the middle of Chaparral Trail (37.502415,-122.300329) 7.6mi
Feb 17, 2018
Chris March
Feb 11, 2018
Chris March
Feb 10, 2018
Chris March
Nov 25, 2017
Linda Nguyen
Nov 12, 2017
Joe Scialfa
Technical trail with a lot of climbing. Little chance to really gain speed on the downhills due to numerous switchbacks. 4.6mi
Nov 11, 2017
Kamil Walas
Nov 5, 2017
Arto K

Trail Ratings

  4.2 from 46 votes


  4.2 from 46 votes
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in California


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19,387 Since Apr 29, 2013
Intermediate/Difficult Intermediate/Difficult


A fun ride, but the uphill battle is tough for a beginner. Muddy days can be an issue for some. Tuck your clothes in! I found a tick on my side in January. :( Jan 7, 2016

Overall nice ride, but a bit tricky for beginners, there are quite a few sections with deep ruts, or steep terrain that gets pretty slidy when it's very dry. Jul 23, 2016
With the addition of some good bike lights, I've been night riding here a couple times a week this winter. This park is open 24/7, and is one of the few legal night riding locations in the Bay Area. I'm not sure why it incorrectly states above that it's only open sunrise to sunset. Wednesday evenings are fairly busy and it's popular during the weekends. Other weekday nights are usually pretty empty. There are joggers and walkers, and leashed dogs, but everyone is well-mannered. Be sure to stay aware. There's short, quality singletrack and several options to get in a good workout with climbs and descents, obstacles and hops. The environment feels safe to ride solo at night. A great alternative to Joaquin Miller in Oakland. I prefer riding this park at night, rather than in the day. Be careful of the slimy wooden bridges after rain. Dec 19, 2017

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