Located within the beautiful Trinity National Recreation Area next to Trinity Alps Wilderness Area, the lake is at the base of Granite Peak. Lake is accessible from nearby launches, campgrounds and day use areas. Trinity Lake, 3rd largest reservoir in CA, at 78% of capacity. Like day hikes? This is the place. Multiple hikes are available to surrounding mountain lakes. Nearby Trinity Center and Weaverville have airports to fly in and tie down. Marinas on the lake offer all types of rentals.