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Tri-Valley

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275 mi 443 km of trail 14 Runs

Easy Trails 19 Trails Intermediate Trails 96 Trails Hard Trails 31 Trails
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Runs in Tri-Valley - 14

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Favorite Out walking
Difficult

Mount Diablo Falls Loop

5.4 mi 8.6 km • Loop • 1,107 ft Ascent 337.33 m Ascent

(15) Clayton, CA
Favorite Diablo Summit observation deck lookout
Difficult

Mount Diablo Four Peaks Loop

15.4 mi 24.7 km • Loop • 4,406 ft Ascent 1342.93 m Ascent

(11) Clayton, CA
Favorite Summit Trail
Difficult

Mt. Diablo Summit Loop - South

16.0 mi 25.8 km • Loop • 3,679 ft Ascent 1121.47 m Ascent

(8) Diablo, CA
Favorite First view of Mt Diablo against the rising sun
Very Difficult

Eagle Peak Out and Back

4.2 mi 6.8 km • Out and Back • 1,435 ft Ascent 437.34 m Ascent

(2) Alamo, CA
Favorite Summit Trail
Difficult

Brazen Racing Diablo Trails Challenge 50k

31.4 mi 50.5 km • Loop • 6,147 ft Ascent 1873.48 m Ascent

(1) Saranap, CA
Favorite Sunrise above the canyon.
Difficult

Elderberry - Rocky View - Cuestas Loop

8.1 mi 13.1 km • Loop • 1,397 ft Ascent 425.89 m Ascent

(7) Danville, CA
Favorite Summit Trail
Difficult

Mount Diablo Summit Loop - North

13.7 mi 22.1 km • Loop • 3,378 ft Ascent 1029.66 m Ascent

(10) Clayton, CA
Favorite Summit Trail
Intermediate

Juniper to Summit Loop

6.6 mi 10.6 km • Loop • 1,737 ft Ascent 529.47 m Ascent

(13) Diablo, CA

Trails in Tri-Valley - 132

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6.2 mi 10.0 km #1Summit Trail
Difficult
Diablo, CA
Difficult
6.2 mi 10.0 km Diablo, CA
1.7 mi 2.7 km #2Deer Flat Fire Road
Intermediate
Diablo, CA
Intermediate
1.7 mi 2.7 km Diablo, CA
1.9 mi 3.1 km #3Back Creek Trail
Difficult
Clayton, CA
Difficult
1.9 mi 3.1 km Clayton, CA
3.7 mi 5.9 km #4Oyster Point Trail
Difficult
Blackhawk, CA
Difficult
3.7 mi 5.9 km Blackhawk, CA
1.0 mi 1.7 km #5North Juniper Trail
Intermediate
Diablo, CA
Intermediate
1.0 mi 1.7 km Diablo, CA
0.7 mi 1.2 km #6Grey Fox Trail
Intermediate
San Ramon, CA
Intermediate
0.7 mi 1.2 km San Ramon, CA
3.2 mi 5.2 km #7Maguire Peak Loop Trail
Intermediate
Fremont, CA
Intermediate
3.2 mi 5.2 km Fremont, CA
1.6 mi 2.6 km #8Mitchell Rock Trail
Difficult
Clayton, CA
Difficult
1.6 mi 2.6 km Clayton, CA
2.8 mi 4.5 km #9Eagle Peak Trail
Difficult
Clayton, CA
Difficult
2.8 mi 4.5 km Clayton, CA
1.1 mi 1.7 km #10Falls Trail
Intermediate
Clayton, CA
Intermediate
1.1 mi 1.7 km Clayton, CA
1.3 mi 2.1 km #11Bald Ridge Trail
Difficult
Clayton, CA
Difficult
1.3 mi 2.1 km Clayton, CA
3.8 mi 6.1 km #12Iron Horse Regional Trail: Stone Valley Rd - Sycamore Valley Rd
Easy
Alamo, CA
Easy
3.8 mi 6.1 km Alamo, CA
5.0 mi 8.1 km #13Tassajara Ridge Trail
Intermediate
Dublin, CA
Intermediate
5.0 mi 8.1 km Dublin, CA
1.0 mi 1.6 km #14North Peak Trail
Intermediate
Blackhawk, CA
Intermediate
1.0 mi 1.6 km Blackhawk, CA
2.9 mi 4.7 km #15Rocky Ridge View Trail
Intermediate
Danville, CA
Intermediate
2.9 mi 4.7 km Danville, CA
3.5 mi 5.6 km #16Brushy Peak Loop Trail
Intermediate
Livermore, CA
Intermediate
3.5 mi 5.6 km Livermore, CA
5.5 mi 8.8 km #17East Shore Trail
Intermediate
Livermore, CA
Intermediate
5.5 mi 8.8 km Livermore, CA
7.3 mi 11.7 km #18Highland Ridge Trail
Intermediate
Blackhawk, CA
Intermediate
7.3 mi 11.7 km Blackhawk, CA
3.9 mi 6.2 km #19Prospector's Gap Fire Road
Difficult
Clayton, CA
Difficult
3.9 mi 6.2 km Clayton, CA
4.2 mi 6.8 km #20Madrone Trail
Difficult
Alamo, CA
Difficult
4.2 mi 6.8 km Alamo, CA

Photos of Tri-Valley - 153

Trail Run Project is built by runners like you. Add Your Photos

Panaroma view minutes before sunrise.
Oct 20, 2017 near Danville, CA
Foliage under morning sun.
Oct 20, 2017 near Danville, CA
Sunrise above the canyon.
Oct 8, 2017 near Danville, CA
Badger Cove through the trees on Ridgeline Trail
Nov 12, 2017 near Livermore, CA
First view of Mt Diablo against the rising sun
Sep 30, 2018 near Alamo, CA
Mcguire Peak Trail
Jul 21, 2018 near Fremont, CA
Before sunrise.
Oct 8, 2017 near Danville, CA
View of High Valley Camp from Cerro Este Trail
Mar 9, 2020 near East Fo…, CA

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