United States, California, Plumas, On the south side of a small upper branch of Fall River, about 100 yards north of Lumpkin Ridge Road, about 1 mile (air) southeast of Tamarack Flat, about 1/4 mile southwest of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte.