Mount Boardman is located in the Diablo Range in California.

The summit is near a point where Santa Clara, Alameda, Stanislaus, and San Joaquin counties meet.

[3][1] It was named for W. F. Boardman, the Alameda County surveyor between 1865 and 1869.

[5] This north peak, unnamed on topographic maps, is located on the Alameda – San Joaquin county line, and is the highest point in San Joaquin County.

[5] Some snow falls on both peaks during the winter.