A spiral labyrinth on the Backbone Trail, east of the Corral Canyon Trailhead
alt="A spiral labyrinth on the Backbone Trail, east of the Corral Canyon Trailhead, along Mesa Peak fire road. The spiral is constructed of stream cobble that was embedded in Sespe Formation sandstone. Photo taken October 30, 2011." border="0">
A spiral labyrinth on the Backbone Trail, east of the Corral Canyon Trailhead, along Mesa Peak fire road. The spiral is constructed of stream cobble that was embedded in Sespe Formation sandstone. Photo taken October 30, 2011.