| Silver Hill | 881 m | | Mount Spokane |
| Smith | 600 m | | Сент-Хеленс |
| Radio Hill | 589 m | | Huckleberry-Grass |
| Simons | 1064 m | | Rossland Range |
| Sugarloaf Hill | | | Border Ranges |
| Suiattle | 1515 m | | Buckindy-Snowking Area |
| Squalicum | | | Twin Sisters |
| Silver Peak | 1708 m | | Cedar River-South Snoqualmie Pass |
| Termination Point | 1213 m | | Columbia Gorge North |
| Quartz | 1460 m | | Kettle River Range |
| Scrabble | 1735 m | | Wild Sky Wilderness |
| Pohls Hill | | | Columbia Gorge North |
| Poe | 1812 m | | Wenatchee Ridge |
| Quartz | 1065 m | | Huckleberry |
| Spark Plug | 1926 m | | North Wenatchee Mountains |
| Sister Rocks | 1298 m | | Columbia Gorge North |
| Red Butte | 2196 m | | Адамс |
| Stewart | 941 m | | Twin Sisters |
| Rock | 2322 m | | Snowy-Windy-Chopaka |
| Roundtop | 1058 m | | Central Washington Selkirks |