Moderate

Haystack Hill

1.7-mile hike

Franco Ridge and Sugarloaf Ridge Trail

2-mile hike

Costanoan Trail to Sulphur Creek Pond and Hanna Grove Loop

2.2-mile loop

Borges Ranch to Castle Rock via Fairy Lantern

2.5-mile hike

Ridge Top Loop

2.7-mile loop

Ridge Top, Ginder Gap, and Briones to Mount Diablo Loop

2.8-mile loop

Twin Ponds Loop

3-mile loop

Fossil Hill Loop

3.2-mile hike

Costanoan and Hanna Grove Loop

3.3-mile hike

Stonegate Loop

4.1-mile hike

Fossil Hill, Ginder Gap, Ridge Top to Summit Ridge Trail

4.2-mile hike

Hanna Grove, Briones to Mount Diablo Regional, and Borges Ranch Loop

4.3-mile hike

Hanna Grove Trail, Costanoan Trail, and Briones Trail Loop

4.5-mile loop

Ridge Top Trail to Briones to Mount Diablo Recreational Trail Loop

4.6-mile loop

Corral Spring Trail and Borges Ranch Loop

4.8-mile loop

Foothills, Franco Ridge, Sugarloaf-Shell Ridge, and Borges Ranch Loop

5.5-mile loop

Kovar Trail to Ridge Top Trail Loop

5.4-mile loop

Deer Lake, Ridge Top, and Briones Regional Trail

5.5-mile loop

Borges Ranch, Sugarloaf Shell Ridge, Corral Spring, and Costanoan Loop

5.8-mile loop

Shell Ridge: Indian Valley to Borges Ranch and Ridge Top Loop

6.4-mile loop