Glass CreekGlass Creek is located just off Highway 395 at Crestview which is really a ranger station for plows and equipment. The campground is primitive and has only pit toilets, no water or trash pick-up, but tons of shade and beautiful views. There is a flowing c State: California City: Mammoth Lakes Nearest Town: Crestview Status; Official Cost: Free Nearest Road: Dirt Scenery Rating: 5 Months Opened: Spring to Fall Extras: None Number of Camp Sites: 30 or more Max Stay : 30 -