Fish Springs is an unincorporated community in Inyo County, California.It is located in the Owens Valley, 6.5mi south-southeast of Big Pine, at an elevation of 3937 feet .A post office operated at Fish Springs during part of 1866, and from 1868 to 1876. A post office operated at Tinnemaha from 1895 to 1910. Tinemaha is the name of a legendary Piute of the region.The Tinemaha Reservoir, of the Los Angeles Aqueduct system, is located nearby.