From SFGATE.COM:

Dead man found in tree house, Officials say body was there a year before discovery.

Jaxon Van Derbeken, Chronicle Staff Writer

Some 150 feet down a steep hillside overlooking the Pacific Ocean, on a makeshift home woven into the lower branches of a cypress tree, a man somehow met his end.

His skeletal remains were found April 20 by a hiker who strayed off Lands End trail on San Francisco’s western edge to clean up trash.

The dead man apparently had been living on a platform he fashioned in the tree, about a half mile west of Eagle Point and not visible from the trail.

(more here)