High Quality Content by WIKIPEDIA articles! Walker Pass (el. 5,250 ft (1,600 m)) is a mountain pass by Lake Isabella in the southern Sierra Nevada mountains. It is located in northeastern Kern County, approximately 53 mi (85 km) ENE of Bakersfield and 10 mi (16 km) WNW of Ridgecrest. The pass provides a route between the San Joaquin Valley on the west and the Mojave Desert on the east.The San Joaquin Valley extends from the Sacramento-San Joaquin Delta in the north to the Tehachapi Mountains in the south, and from the various California coastal ranges (from the Diablo in the north to the Santa Ynez in the south) in the west to the Sierra Nevada in the east.