Place
- Placerville, Along the American River1
- Port Angeles1
- Priest River1
- San Diego1
- San Mateo1
- Santa Cruz1
- Santa Cruz Mountains1
- Savage's Garden along Coal Creek, 1½ miles SE Lake City1
- Savanas1
- Scoggin Valley Reservoir State Park near Dilley1
- Seattle1
- Seattle, Shore of Lake Washington1
- Shasta Springs1
- Siersville1
- Skamania1
- Snohomish1
- Sonoma1
- South of Crandell Lake, 4 miles NW of Waterton, Waterton Lakes National Park1
- South side of the Spokane River opposite its mouth with the Columbia River1
- Storm King Mt., Lake Crescent1