Toll gate, fine hotel, and stables near this spot 1850's. Jedediah Smith reputed to have been first white man to cross over or near Sonora Pass, 1827. Portion of road built by Tuolumne County Water Co., 1852. Surveyed to Bridgeport, Mono County, 1860. Completed 1864 when six horse team took three weeks for round trip, Sonora to Bridgeport.

State Registered Landmark No. 422

Tablet placed by California Centennials Commission,
Base provided by Sonora Lions Club
Dedicated December 11, 1949