Campground · Idaho ·
Managed by the USDA Forest Service
Salmon National Forest (NF) · Open Access
4500-foot elevation. Picnic area on Williams Lake, with the trailhead to 2 walk-in or boat-in campsites. The picic area and fishing area are both fully accessible. Five tables with connecting walkways overlook scenic vistas of the lake and surrounding mountains. Fishing for rainbow trout in the lake, and fantastic fly fishing in the inlet. Trailhead for Thunder Mountain National Historic Trail at the end of FR 028. Ice fishing in the winter. Full-service resort on south shore of the lake includes a tackle shop and restaurant.
45.01903, -113.98904 · 45°1'8.5"N 113°59'20.6"W
Typically 86°F in Jul, down to 28°F in Jan.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 28 | 36 | 50 | 59 | 68 | 76 | 86 | 85 | 74 | 58 | 41 | 29 |
| Low °F | 11 | 16 | 26 | 32 | 40 | 46 | 52 | 49 | 41 | 31 | 22 | 13 |
| Precip in | 0.6 | 0.4 | 0.5 | 0.8 | 1.3 | 1.6 | 0.8 | 0.6 | 0.8 | 0.8 | 0.7 | 0.7 |
1991–2020 averages from the nearest NOAA station, 11.8 mi away — not measured at the facility itself, and elevation can make a real difference over that distance.
Recreation.gov last updated this record on 2026-02-25.
Facility information and photographs from Recreation.gov (RIDB). SpotOpened is not affiliated with Recreation.gov or any federal agency.
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