United States, California, San Bernardino, Vicinity of the San Andreas Fault, east side of Swarthout Canyon Road along Cajon Creek south of its crossing, San Bernardino National Forest, San Bernardino Mountains; west of Route I-15. Elevation 2670-2720 feet.
34.266667 -117.45
34.16'N, 117.27'W
814-829 meters
2670-2720 ft
Margin of chaparral, shrubland, in creek wash.
Margins of was with boulders of metamorphic, granitic gneiss, schist substrate, well-drained sand, gravel.