Aerial view about 150 feet up looking at the limestone cliff face of Lovers Leap near Callahan, California.  The formation was formed during the Silurian epoch (about 430 million years ago) w/ fossil crinoids & corals found in particular deposits.  Other limestone caps in the area date it among the oldest rocks in the region.  Lovers Leap is a popular location for rock climbing w/ plenty of routes on all sides & on lower formations below.