Grotto Hills

Coordinates: 35°05′34″N 115°09′40″W / 35.09278°N 115.16111°W / 35.09278; -115.16111
From Wikipedia, the free encyclopedia

Grotto Hills is a range of hills in the Lanfair Valley of San Bernardino County, California. Its tallest summit is at 4,892 feet / 1,491 meters.[1]

References[edit]

35°05′34″N 115°09′40″W / 35.09278°N 115.16111°W / 35.09278; -115.16111