Location: San Bernardino County, California

Named by USFS surveyor Don McLain for Willis Linn Jepson (1867-1946), Professor of Botany at the University of California (1899-1937), who made a study of plant life in the San Bernardino Mountains (ca.1914). Author of Trees of California (1923), and Manual of Flowering Plants of California (1921). He founded the California Botanical Society, was a Charter Member of the Save-the-Redwoods League as well as the Sierra Club and a life-long hiker.

Called "Mount Jepson" on original HPS Peak List.

Name first appears on USFS San Bernardino National Forest map (1965).

Peak was on the original 1946 HPS Peak List. Weldon Heald climbed this peak in 1935.