Numerous trails for hiking and biking are available on the slopes of Mount Diablo.
- Mount Diablo State Park - California State Parks.
- Mount Diablo Interpretive Association
- Save Mount Diablo
- Mount Diablo : Climbing, Hiking & Mountaineering : SummitPost
- Peakbagger - Mount Diablo. Highest point in Contra Costa County (elevation 3849 ft.).
- Juniper Trail, Mount Diablo St Pk - trailbehind
- Eagle Peak Trail : SummitPost
- Bay Area Hiker: Mount Diablo State Park
- On the Tarantula Trail - Diablo Magazine - October 2011
Donner Canyon Waterfall Loop Trail
This moderately strenuous trail is a delight in the spring when waterfalls and wildflowers can be seen.
- Waterfall loop at Mount Diablo State Park - EveryTrail guide
- Donner Canyon Waterfalls, Mt Diablo St Pk - BRT Insights 04april2012
- Donner Canyon Waterfalls - Hiking trip - elremaro 01april2012
See more: Hiking trails in Contra Costa County.