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EBRPD Trails Challenge 2017: Anthony Chabot



8.5 mile 13.6 kilometer loop
92% Runnable


Ascent: 1,085' 331 m
Descent: -1,093' -333 m
High: 1,007' 307 m
Low: 300' 92 m


Avg Grade: 5% (3°)
Max Grade: 22% (12°)


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Trail shared by John Rabold

The 'challenging' route in Anthony Chabot Regional Park in the Regional Parks 2017 Trails Challenge program.

John Rabold

Features Birding · Lake · River/Creek · Views · Wildlife

On this route, bicycles are prohibited on Two Rocks Trail below the lowest group camps and on Columbine Trail. Cyclists can use Brandon Trail to travel between the ends of the prohibited area.


The East Bay Regional Park District offers a free Trails Challenge program every calendar year; see ... Each year, twenty trail routes from all over the District are suggested, grouped into "easy", "moderate", and "challenging" categories. This route is the "challenging" route for 2017 in Anthony Chabot Regional Park.

Need to Know

Most of Towhee Trail and this route's portion of Redtail Trail are singletrack trails that are open to bicycles as well as to runners and equestrians. All trail users should be aware that they may encounter other trail users moving at different speeds and having different needs. The standard trails right-of-way rule applies–bicycles yield to all other modes of travel and all other modes of travel yield to equestrians–but being courteous is always the right thing to do. Call out and make voice contact! How can I safely pass you? Thank you and have a good trip! If you or someone you encounter is lost, ill, or injured, or in any other sort of emergency, call 510.881.1121 from your cellphone (911 from a landline) to reach Regional Parks Public Safety 24 hours a day.


This is a loop route, including an out-and-back "lollipop stick" tail at the beginning and end. There is ample free parking available at Marciel Gate, at the junction of Redwood Road and Marciel Road. From Marciel Gate, follow Redtail Trail toward the southeast. Turn right on Deer Canyon Trail, then left on Brandon Trail, then right on Two Rocks Trail, then left on Columbine Trail, then left on Honker Bay Trail, then left on Towhee Trail, then left on Brandon Trail, then right on Redtail Trail. Follow this trail back to the beginning.

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Flora & Fauna, Runner Notes, History & Background


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Jul 27, 2019
Jessica Katz
Rolling, non-technical trail with shade. Road/campsite adjacent and not very scenic except for the portions on Columbine and Honky Bay. — 11h 00m
Mar 26, 2019
Mike Walls
9.2mi — 1h 49m
Oct 13, 2018
RJ Hallsted

Trail Ratings

  4.4 from 8 votes


  4.4 from 8 votes
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in California


61 Views Last Month
2,358 Since Jan 15, 2017



Singletrack portion of the route.
Feb 28, 2016 near Ashland, CA
View of Lake Chabot from the campground
Jun 2, 2018 near Ashland, CA
Wild Turkey.
Feb 28, 2016 near Ashland, CA


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