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 on the National Historic Lookout Register #281. 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. Datasheet: HR2903