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Tri-Valley

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J F M A M J J A S O N D

253 mi 407 km of trail — 14 Featured Hikes

Easy Trails 50 Trails Intermediate Trails 76 Trails Hard Trails 5 Trails

Areas Within Tri-Valley

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Featured Hikes in Tri-Valley - 13

Hiking Project is built by hikers like you. Add Your Hikes

Favorite A distant view of the waterfalls on Mount Diablo's Falls Trail

Mount Diablo Falls Loop

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

Singletrack Clayton, CA

( 14 )
Favorite First view of Mt Diablo against the rising sun

Eagle Peak Out and Back

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

Singletrack Alamo, CA

( 2 )
Favorite Making our way on the North Juniper Trail. It was so chilly!

Mount Diablo Four Peaks Loop

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

Singletrack Clayton, CA

( 8 )
Favorite Making our way on the North Juniper Trail. It was so chilly!

Mt. Diablo Summit Loop - South

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

Singletrack Diablo, CA

( 5 )
Favorite Sunrise above the canyon.

Elderberry - Rocky View - Cuestas Loop

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

Singletrack Danville, CA

( 7 )
Favorite Making our way on the North Juniper Trail. It was so chilly!

Juniper to Summit Loop

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

Singletrack Diablo, CA

( 9 )
Favorite Making our way on the North Juniper Trail. It was so chilly!

Mount Diablo Summit Loop - North

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

Singletrack Clayton, CA

( 7 )
Favorite Mount Diablo and Eagle Peak seen from Mitchell Rock

Eagle Peak Loop

6.5 mi 10.4 km • Loop • 1,983 ft Ascent 604.31 m Ascent

Singletrack Clayton, CA

( 6 )

Trails in Tri-Valley - 117

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6.2 mi 10.0 km #1 Summit Trail
Diablo, CA
6.2 mi 10.0 km Diablo, CA
All Clear
Update
Mostly Dry
57 days ago
3 
1.7 mi 2.7 km #2 Deer Flat Fire Road
Diablo, CA
1.7 mi 2.7 km Diablo, CA
Unknown
Update
2 
1.9 mi 3.1 km #3 Back Creek Trail
Clayton, CA
1.9 mi 3.1 km Clayton, CA
Unknown
Update
1 
3.7 mi 5.9 km #4 Oyster Point Trail
Blackhawk, CA
3.7 mi 5.9 km Blackhawk, CA
Unknown
Update
1 
1.6 mi 2.6 km #5 Mitchell Rock Trail
Clayton, CA
1.6 mi 2.6 km Clayton, CA
Unknown
Update
1 
1.0 mi 1.7 km #6 North Juniper Trail
Diablo, CA
1.0 mi 1.7 km Diablo, CA
Unknown
Update
1 
3.2 mi 5.2 km #7 Maguire Peak Loop Trail
Fremont, CA
3.2 mi 5.2 km Fremont, CA
Minor Issues
Update
Mostly Dry, Some Mud
63 days ago
1 
0.7 mi 1.2 km #8 Grey Fox Trail
San Ramon, CA
0.7 mi 1.2 km San Ramon, CA
Unknown
Update
1 
1.3 mi 2.1 km #9 Bald Ridge Trail
Clayton, CA
1.3 mi 2.1 km Clayton, CA
Unknown
Update
1 
1.1 mi 1.7 km #10 Falls Trail
Clayton, CA
1.1 mi 1.7 km Clayton, CA
Unknown
Update
1 
2.8 mi 4.5 km #11 Eagle Peak Trail
Clayton, CA
2.8 mi 4.5 km Clayton, CA
Unknown
Update
1 
3.8 mi 6.1 km #12 Iron Horse Regional Trail: Stone Valley Rd - Sycamore Valley Rd
Alamo, CA
3.8 mi 6.1 km Alamo, CA
Unknown
Update
1 
1.0 mi 1.6 km #13 North Peak Trail
Blackhawk, CA
1.0 mi 1.6 km Blackhawk, CA
Unknown
Update
3 
5.0 mi 8.1 km #14 Tassajara Ridge Trail
Dublin, CA
5.0 mi 8.1 km Dublin, CA
Unknown
Update
2 
3.5 mi 5.6 km #15 Brushy Peak Loop Trail
Livermore, CA
3.5 mi 5.6 km Livermore, CA
Unknown
Update
3 
5.5 mi 8.8 km #16 East Shore Trail
Livermore, CA
5.5 mi 8.8 km Livermore, CA
Unknown
Update
3 
2.9 mi 4.7 km #17 Rocky Ridge View Trail
Danville, CA
2.9 mi 4.7 km Danville, CA
All Clear
Update
Dry
29 days ago
2 
3.9 mi 6.2 km #18 Prospector's Gap Fire Road
Clayton, CA
3.9 mi 6.2 km Clayton, CA
Unknown
Update
2 
4.2 mi 6.8 km #19 Madrone Trail
Alamo, CA
4.2 mi 6.8 km Alamo, CA
Unknown
Update
2 
1.4 mi 2.3 km #20 Heron Bay Trail - North
Livermore, CA
1.4 mi 2.3 km Livermore, CA
Unknown
Update
2 

Photos of Tri-Valley - 132

Hiking Project is built by hikers like you. Add Your Photos

Panaroma view minutes before sunrise.

#1

Panaroma view minutes before sunrise.
 4
Danville, CA
Foliage under morning sun.

#2

Foliage under morning sun.
 4
Danville, CA
Sunrise above the canyon.

#3

Sunrise above the canyon.
 5
Danville, CA
Badger Cove through the trees on Ridgeline Trail

#4

Badger Cove through the trees on Ridgeline Trail
 1
Livermore, CA
Making our way on the North Juniper Trail. It was so chilly!

#5

Making our way on the North Juniper Trail. It w…
 5
Blackhawk, CA
First view of Mt Diablo against the rising sun

#6

First view of Mt Diablo against the rising sun
 5
Alamo, CA
Mcguire Peak Trail

#7

Mcguire Peak Trail
 5
Fremont, CA
Before sunrise.

#8

Before sunrise.
 5
Danville, CA

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