Description
Located in sec 31,T1N,R2E, San Bernardino Meridian. In the San Bernardino Mountains, 3.2 km (2 mi) north-northeast of the summit of San Gorgonio Mountain and 23.2 km (14.5 mi) east-northeast of Yucaipa. (US-T121)
History
Named for Joseph Grinnell (1877-1939), professor, author, and early proponent of conservation measures. (US-T121)