United States, California, Los Angeles, San Gabriel Mountains. Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn.; Chilao Flat 7.5'
34.29861 -118.11361
1220-1232 meters
4000-4040ft.
Station Fire burn of '09, canyon with slopes of coarse granite & fine brown loam; chaparral.