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

Starting from historic Borges Ranch, this scenic loop follows Hanna Grove Trail before joining the Briones to Mount Diablo Regional Trail through the rolling hills of Shell Ridge Open Space. Along the way you'll hike across open grasslands, oak woodlands, and ridgelines with sweeping views of Mount Diablo and the surrounding foothills.

This 4.3-mile loop features 816 feet of elevation gain, making it a rewarding hike for visitors looking for a longer adventure through some of Shell Ridge's most scenic landscapes. Beginning and ending at Borges Ranch, the route combines historic landmarks, diverse terrain, and panoramic viewpoints into one memorable hike.

Source: Trail information adapted from AllTrails.