Grotto Hills
| Grotto Hills | |
|---|---|
![]() Grotto Hills Location of the Grotto Hills in California[1] ![]() Grotto Hills Grotto Hills (the United States) | |
| Highest point | |
| Elevation | 1,494 m (4,902 ft) |
| Geography | |
| Country | United States |
| State | California |
| Region | Mojave Desert |
| District | San Bernardino County |
| Range coordinates | W35°9′36.7″N 115°12′55.8″W / 35.160194°N 115.215500°W |
| Topo map | USGS Grotto Hills |
Grotto Hills is a summit in the Lanfair Valley of San Bernardino County, California. Its tallest peak is at 4,895 feet / 1,492 meters. It is in the east-central part of Mojave National Preserve, 7 miles north of Hackberry Mountain.

