| Red | 1622 m | | Dead Camel Mountains |
| Schaffer | 1988 m | | Modoc-Lassen Plateau |
| Skeeter Butte | 1626 m | | South-Central Oregon Ranges |
| Tohakum Peak | 2459 m | | Lake Range |
| Three Peaks | 2107 m | | Modoc-Lassen Plateau |
| Windy Point | | | Pine Forest Range |
| Tims Peak | 1664 m | | Steens Mountain Area |
| Upton | 1459 m | | Steens Mountain Area |
| Wildcat Peak | 1741 m | | Lake Range |
| White Hill | 1752 m | | Pah Rah Range |
| Wagon Tire | 2321 m | | Granite Range |
| Twin Knolls | 1264 m | | Steens Mountain Area |
| Wickiup Butte | 1884 m | | South-Central Oregon Ranges |
| Turnbull | 1600 m | | Steens Mountain Area |
| Wildcat Peak | 1750 m | | Lake Range |
| Tucker Butte | 1580 m | | Modoc-Lassen Plateau |
| West Hill | 1690 m | | Steens Mountain Area |
| Willow Butte | 1581 m | | Trout Creek Mountains |
| Twin Peaks | 1976 m | | Warner Mountains |
| Two Tips | 2131 m | | Truckee Range |