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Mount Diablo State Park

  1. Areas
  2. CA
  3. …Bay Area
  4. Tri-Valley
  5. Mount Diablo State Park

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73 mi 117 km of trail — 8 Featured Runs

Easy Trails 14 Trails Intermediate Trails 36 Trails Hard Trails 0 Trails

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Featured Runs in Mount Diablo State Park - 8

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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 Diablo Summit observation deck lookout

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 Summit Trail

Brazen Racing Diablo Trails Challenge 50k

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

Singletrack Saranap, CA

( 1 )
Favorite Summit Trail

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 Summit Trail

Juniper to Summit Loop

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

Singletrack Diablo, CA

( 9 )
Favorite Summit Trail

Mount Diablo Summit Loop - North

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

Singletrack Clayton, CA

( 8 )
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

( 7 )
Favorite Stage Road/Trail

Stage Road Loop

4.1 mi 6.6 km • Loop • 590 ft Ascent 179.73 m Ascent

Singletrack Diablo, CA

( 1 )

Trails in Mount Diablo State Park - 42

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

6.2 mi 10.0 km #1 Summit Trail
Diablo, CA
6.2 mi 10.0 km Diablo, CA
Unknown
Update
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 
1.0 mi 1.7 km #5 North Juniper Trail
Diablo, CA
1.0 mi 1.7 km Diablo, CA
Unknown
Update
1 
1.6 mi 2.6 km #6 Mitchell Rock Trail
Clayton, CA
1.6 mi 2.6 km Clayton, CA
Unknown
Update
1 
1.3 mi 2.1 km #7 Bald Ridge Trail
Clayton, CA
1.3 mi 2.1 km Clayton, CA
Unknown
Update
1 
1.1 mi 1.7 km #8 Falls Trail
Clayton, CA
1.1 mi 1.7 km Clayton, CA
Unknown
Update
1 
2.8 mi 4.5 km #9 Eagle Peak Trail
Clayton, CA
2.8 mi 4.5 km Clayton, CA
Unknown
Update
1 
1.0 mi 1.6 km #10 North Peak Trail
Blackhawk, CA
1.0 mi 1.6 km Blackhawk, CA
Unknown
Update
3 
3.9 mi 6.2 km #11 Prospector's Gap Fire Road
Clayton, CA
3.9 mi 6.2 km Clayton, CA
Unknown
Update
2 
0.6 mi 1.0 km #12 Wasserman Trail
Clayton, CA
0.6 mi 1.0 km Clayton, CA
Unknown
Update
2 
2.2 mi 3.5 km #13 Tassajara Creek Trail
Blackhawk, CA
2.2 mi 3.5 km Blackhawk, CA
Unknown
Update
1 
2.3 mi 3.7 km #14 Olympia Trail
Clayton, CA
2.3 mi 3.7 km Clayton, CA
Unknown
Update
1 
1.4 mi 2.2 km #15 Middle Trail
Clayton, CA
1.4 mi 2.2 km Clayton, CA
Unknown
Update
1 
1.0 mi 1.6 km #16 South Juniper Trail
Diablo, CA
1.0 mi 1.6 km Diablo, CA
Unknown
Update
1 
0.8 mi 1.3 km #17 North Peak Trail
Clayton, CA
0.8 mi 1.3 km Clayton, CA
Unknown
Update
1 
0.9 mi 1.5 km #18 East Trail
Clayton, CA
0.9 mi 1.5 km Clayton, CA
Unknown
Update
1 
3.6 mi 5.8 km #19 Wall Point Road
Diablo, CA
3.6 mi 5.8 km Diablo, CA
Unknown
Update
2 
2.5 mi 4.1 km #20 Meridian Ridge Fire Road
Clayton, CA
2.5 mi 4.1 km Clayton, CA
Unknown
Update
4 

Photos of Mount Diablo State Park - 36

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

Summit Trail

#1

Summit Trail
 4
Blackhawk, CA
Diablo Summit observation deck lookout

#2

Diablo Summit observation deck lookout
 3
Blackhawk, CA
Wall Point

#3

Wall Point
 3
Diablo, CA
Falcon Road Trail

#4

Falcon Road Trail
 3
Diablo, CA
Stage Road/Trail

#5

Stage Road/Trail
 3
Diablo, CA
Mount Diablo and Eagle Peak seen from Mitchell Rock

#6

Mount Diablo and Eagle Peak seen from Mitchell…
 4
Clayton, CA
Summit Trail

#7

Summit Trail
 4
Blackhawk, CA
We only saw 2 other people on our Monday hike on the North Juniper Trail!

#8

We only saw 2 other people on our Monday hike o…
 2
Blackhawk, CA

Classes & Events Near You

Find More Classes and Events

SUN
Jul 21
Introduction to Outdoor Rock Climbing Class
Mount Diablo State Park: Rock City Parking Lot
8:30 am - 2:30 pm
SAT
Jul 27
Classic Rock Climbing Tour
Mount Diablo State Park: Rock City Parking Lot
8:30 am - 2:30 pm
SAT
Aug 3
Introduction to Outdoor Rock Climbing Class
Mount Diablo State Park: Rock City Parking Lot
8:30 am - 2:30 pm
SAT
Aug 10
Rock Climbing Anchors Class - Natural & Fixed Protection - Level 1
Mount Diablo State Park: Rock City Parking Lot
8:30 am - 2:30 pm
SAT
Aug 10
Classic Rock Climbing Tour
Mount Diablo State Park: Rock City Parking Lot
8:30 am - 2:30 pm
SAT
Aug 17
Introduction to Outdoor Rock Climbing Class
Mount Diablo State Park: Rock City Parking Lot
8:30 am - 2:30 pm

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