High Quality Content by WIKIPEDIA articles! Snow Mountain is a mountain in Northern California in the Snow Mountain Wilderness of Mendocino National Forest. The highest point on the mountain, known as Snow Mountain East, is the highest point in both Colusa and Lake counties. Snow Mountain West, a subsidiary peak also near the county line, is 0.58 miles (0.93 km) to the southwest at an elevation of 7,043 ft (2,147 m).