Patterson Lake Boat Ramps
2 boat launches are mapped on Patterson Lake in Okanogan County, Washington.
1 of these launches include facility details from Washington Department of Fish and Wildlife (WDFW).
Patterson Lake facts
| Surface area | 160 acres |
|---|---|
| Type | Reservoir |
| Average depth | about 16 ft (normal storage ÷ surface area) |
| Shoreline length | about 2.8 miles |
| Surface elevation | 2,387 ft above sea level |
| Dam | Patterson Lake Dam, completed 1924 |
| Dam size | 32 ft high, 260 ft long, earth dam |
| Dam purposes | Irrigation, Recreation, Water Supply |
| Dam owner | Wolf Creek Reclamation District (Public Utility) |
| Normal storage | 2,500 acre-feet |
| Impounded stream | Rader Creek |
Sources: USGS National Hydrography Dataset (public domain); HydroLAKES v1.0 (Messager et al. 2016, CC BY 4.0); U.S. Army Corps of Engineers National Inventory of Dams (NID ID WA00073). Matched to this page by name and location; modelled values are approximate. See all sources.
Fish in Patterson Lake
Stocked by the state (2026 or earlier): Brown trout, Eastern brook trout, Kokanee, Rainbow trout, Tiger trout.
Source: WDFW hatchery fish plants. Species lists come from state survey and stocking records, not a guarantee of what you will catch; check current state fishing regulations.
- Patterson Lakenear Winthrop · Patterson Lake
- Patterson Lake Boat Rampnear Winthrop · Patterson Lake
Counties
- Okanogan County (2)