Henness Ridge Lookout, Mariposa County, California, Elevation = 6339 ft.

Located in Yosemite National Park

Henness Ridge Lookout is being saved by volunteers. It is not used for fire detection. This lookout is #281 on the National Historic Lookout Register. Photo by Richard Carey on September 16, 2010.
An earlier photo of the lookout by Fred Johnson on October 10, 2002.
RM#1 points to the building itself which is the primary benchmark. Placed in 1945.