Name: Las Trampas to Mt. Diablo Trail
Rating: 2.5

“ Seldom traveled multi-use trail through neighborhoods between Alamo and Macedo Ranch at Mt. Diablo.”

— Mike Anciaux

Description

Can be loose and dusty after it has been graded mid-summer. And, it often has lots of goat-head thorns in August and September - go tubeless!

This trail is an interesting way to access Mt. Diablo from Alamo. The trail rises quickly above the freeway and follows a right-of-way between horse properties and estates until it hits Stone Valley Rd. The trail follows the road for a short distance then picks up again on the other side of Stone Valley Rd with 2 quick gut buster climbs (steep but short).

A steady, but mostly shaded, climb takes you to the top of the Roundhill North neighborhood. From there, there is a flowy singletrack into one of the most beautiful valleys on Mt. Diablo (just West of Macedo Ranch). Follow the poorly marked trail through the grazed valley to reach the Macedo Ranch staging area and parking.

Cross the parking lot to reach the Briones to Mt. Diablo trail and to access Wall Point Road.

Contacts

Local Club: Bicycle Trails Council of the East Bay

Land Manager: East Bay Regional Park District (CA)

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2.5 from 2 votes

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Aug 13, 2016

Rob Norris

Rode from the top down to Stone Valley. Extra downhill for the Dan Cook loop, but top of trail is cowpie city 2mi

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Trail Ratings

2.5 from 2 votes

#16

in Tri-Valley

#15775

Overall

2.5 from 2 votes

1 Star		0%
2 Star		50%
3 Star		50%
4 Star		0%
5 Star		0%

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20 Views Last Month

478 Since Oct 8, 2014

Intermediate/Difficult

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		67%
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This is a gorgeous, seldom visited canyon. It is hard to decide whether to pay attention to the perfect singletrack descent or the view.

You get a bird's eye view of some great neighborhoods

Look back at the freeway to see how far you've come up in the first climb

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4.6 Miles 7.4 Kilometers Singletrack	954' 291 m Ascent -606' -185 m Descent
935' 285 m High 310' 94 m Low	6% Avg Grade (4°) 27% Max Grade (15°)
Unknown Update

Las Trampas to Mt. Diablo Trail

4.6 Miles 7.4 Kilometers

Singletrack

954' 291 m

-606' -185 m

935' 285 m

310' 94 m

6%

27%

Unknown

“ Seldom traveled multi-use trail through neighborhoods between Alamo and Macedo Ranch at Mt. Diablo.”