| Ort | Gebiet/Bezirk | m ü.NHN | Breite | Länge |
|---|---|---|---|---|
| Sauk River Campground | Washington | 781 | 47.992 | -121.408 |
| Scimitar Glacier | Washington | 2498 | 48.116 | -121.129 |
| Sheep Gap Mountain | Washington | 1680 | 47.968 | -121.462 |
| Sheep Mountain | Washington | 1858 | 48.025 | -121.418 |
| Silvertip Campground | Washington | 757 | 47.996 | -121.415 |
| Silvertip Peak | Washington | 1831 | 47.975 | -121.42 |
| Silverton | Washington | 468 | 48.078 | -121.567 |
| Sitkum Glacier | Washington | 2566 | 48.108 | -121.13 |
| Skullcap Peak | Washington | 1994 | 48.063 | -121.199 |
| Sperry Peak | Washington | 1813 | 48.016 | -121.502 |
| Stillaguamish Peak | Washington | 1659 | 48.094 | -121.485 |
| Suiattle Glacier | Washington | 2230 | 48.072 | -121.096 |
| Sulphur Creek Campground | Washington | 468 | 48.249 | -121.195 |
| Twin Peaks | Washington | 1637 | 47.956 | -121.381 |
| Vesper Peak | Washington | 1871 | 48.013 | -121.517 |
| Vista Glacier | Washington | 2065 | 48.14 | -121.112 |
| White Chuck Campground | Washington | 283 | 48.172 | -121.47 |
| White Chuck Cinder Cone | Washington | 1827 | 48.052 | -121.167 |
| White Chuck Glacier | Washington | 2123 | 48.065 | -121.116 |
| White Chuck Mountain | Washington | 2040 | 48.209 | -121.416 |
