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

Starting from the Marshall Drive entrance, this scenic loop follows Ridge Top, Ginder Gap, and Briones to Mount Diablo Regional trails through the rolling hills of Shell Ridge Open Space. Along the way you'll hike across open grasslands and oak-studded ridgelines, with panoramic views of Mount Diablo, Walnut Creek, and the surrounding Diablo Foothills.

This 2.8-mile loop features 479 feet of elevation gain, making it a great moderate hike for visitors looking to experience Shell Ridge's expansive ridgeline scenery. The route combines narrow single-track sections with wider trail segments, offering a varied and rewarding hiking experience.

Source: Trail information adapted from AllTrails.