- San Francos Creek1
- San Jose1
- San [?] Bay1
- Santa Clara (Calif.)1
- Santa Clara City1
- Santa Cruz Mountain Peninsula, near railroad track1
- Santa Cruz Mountains, Isatjo Ranch1
- Santa Cruz Mountains, on Skyline Blvd.1
- Santa Cruz Mts.1
- Santa Cruz Mts., Loma Prieta, near summit1
- Santa Cruz Mts., along streams1
- Saratoga, Above Toyon lodge1
- Saratoga, Hills above Toyon Lodge1
- Stanford Univ. San Francisquito Creek.1
- Stanford University1
- Stanford University, Lake Lagunita1
- Stanford University.1
- Steven's Creek Canyon, about 1/2 mile above the Soda Spring1
- Stevens Creek Canon1
- Stevens Creek Canyon1