USDA Forest Service · Idaho
Spillway Campground
USDA Forest Service · Idaho, United States
- Drinking water
- No
- Restrooms
- Yes
- Elevation
- 4,226 ft
- Dark sky
- Bortle class 1
- Cell coverage
- T-Mobile none · AT&T none · Verizon none (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
- Access road
- SPILLWAY CG (NFSR 134A) · native material · high clearance vehicles
- Lake
- Boise National Forest
- Address
- ID
- Activities
- <p> Check with the Idaho Fish and Game for hunting opportinities in the area.</p> , Hiking, Picnic tables are in the surrounding area., Take a drive and enjoy the beautiful scenery that surrounds you., Total of 3 sites., West shore of Anderson Ranch Reservoir.
About
Overview:
Spillway Campground is a small campground with 3 campsites along Anderson Ranch Reservoir. The reservoir is a popular destination for fishing, boating, waterskiing and riding personal watercraft.
There is excellent fishing in the reservoir for smallmouth bass and kokanee. Also try your luck at fly fishing just below the dam for a trout!
Rafting access is at Reclamation Village, just south of the campground.
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 35° | 18° | 0° | 45° | 11 of 11 |
| February | 37° | 22° | -4° | 52° | 11 of 11 |
| March | 44° | 27° | 14° | 70° | 11 of 11 |
| April | 50° | 30° | 12° | 72° | 10 of 11 |
| May | 64° | 42° | 31° | 81° | 1 of 11 |
| June | 74° | 51° | 35° | 93° | 0 of 11 |
| July | 90° | 60° | 46° | 100° | 0 of 11 |
| August | 88° | 60° | 48° | 98° | 0 of 11 |
| September | 76° | 51° | 41° | 89° | 0 of 11 |
| October | 61° | 38° | 28° | 78° | 4 of 10 |
| November | 48° | 30° | -4° | 65° | 9 of 10 |
| December | 36° | 16° | 0° | 53° | 10 of 10 |
Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.
Nearby campgrounds
- Evans Creek Campground · USDA Forest Service · 3 mi
- Castle Creek Campground · USDA Forest Service · 5 mi
- Ice Springs Campground · USDA Forest Service · 9 mi
- Pine Campground Boat Ramp · USDA Forest Service · 10 mi
- Dog Creek (Id) · USDA Forest Service · 14 mi · 13 sites
All public campgrounds in Idaho · Every state and province · Facts read from the operator 2026-02-25. Confirm fees, rules and current status with the operator before you go.