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South Gate to Summit via Summit Road is a 22 mile out and back trail located near Diablo, California that features beautiful wild flowers and is rated as difficult. The trail offers a number of activity options.

Length 22.0 mi Elevation gain 3,343 ft Route type Out & Back
Mountain biking Nature trips Road biking Bird watching Views Wild flowers Wildlife No dogs
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Reviews (22)
Photos (914)
Recordings (34)
Completed (68)
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S G W
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Hiking

Happily less steep than other climbs to the summit of Diablo but be warned if you are hiking and not cycling—it’s legit on the side of a road the entire way. Fun change of pace for us!

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Nathan Tsang
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Hiking

Started at the Mt. Diablo Scenic Blvd near the Athenian School. Followed the road hiked up to the Summit and ran down for a total distance of 22.2 miles with 3,455 elevation gain. Did it in less than 7 hours. This route is good for long-distance running, and pick a cool day to do it.

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Rochak Dahal
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Hiking

Great trail. Length is a challenge. Snakes on the trail.

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Vladi Tsykosh
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HikingBugsFee
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Blisseth Sy
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Road biking
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Blisseth Sy
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Hiking
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Nengyun Zhang
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Mountain biking
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Sam Sabeti
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Road biking
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Karyn Boltz
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Hiking
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Joanne Berbower
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Bike touring
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Jim Schultz
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Hiking
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Noel Smith
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Mountain biking
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Biraj Pokharel
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Hiking
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Simon Li
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Hiking
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Simon Li
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Hiking
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Leonardo Villasenor
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Hiking
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Tim Foote
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Hiking
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Leonardo Villasenor
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Hiking
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Jeff Ratto
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Hiking
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John Foy III
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Mountain biking
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Sumesh Nair
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Hiking
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Christina Parker
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Road biking
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