Briones Reservoir Loop

Contra Costa County, California, United States

12.9 miles (20.8 km) · 1,475 ft elevation gain · Loop · trail · Route

Briones Reservoir Loop is a 12.9-mile loop route in Contra Costa County, California, United States, gaining 1,460 feet of elevation. The route follows a up-and-over elevation profile. The terrain breaks into 5 distinct sections including 1 significant climb. The longest climb covers 3.5 miles gaining 610 feet at an average 2.3% grade. Approximately 81% of the route is runnable at a steady effort. The route opens with mixed terrain and finishes with a gradual climb.