Emigrant Gap (formerly, Wilsons Ranch) is an unincorporated community in Placer County, California. The Emigrant Gap community is located 0.25 mi southwest of the Emigrant Gap landmark. It lies at an elevation of 5190 feet (1582 m). The Wilsons Ranch post office opened in 1865, changed its name to Emigrant Gap in 1868. The name Wilsons Ranch honored a stage stop operator.

Climate

Eimgrant Gap has a warm-summer Mediterranean climate (Csb) according to the Köppen climate classification system. Summers are warm and occasionally hot with cool nights, while winters are cold and snowy. The Western Regional Climate Center had a weather station at an elevation of 5014 feet right next to Emigrant Gap at Lake Spaulding.