Horsethief Canyon
From Infogalactic: the planetary knowledge core
Horsethief Canyon, is a canyon, the upper part of Summit Valley in San Bernardino County, California. Its mouth is at an elevation of 3,123 feet / 952 meters. Its head lies at Lua error in package.lua at line 80: module 'strict' not found. at an elevation of 3,800 feet just east of the summit of Cajon Pass.[1]
Reference
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