United States, California, San Bernardino, NPSCastle Mountains: in newly designated CM National Monument; along Rd # 127, north side of range, 0.3 mi. SE of jct Rd#150, 0.5 mi. S. of Rocking Box Ranch Rd.
35.3034833 -115.1059167 NAD83
1413 meters
4634ft.
Stoney margin of wash separating white ashy deposits and dark volcanic knoll. Parent rock: mixed. Geologic formation: alluvium. Soil type: gravel.