City, County & Regional Parks · Idaho
Horsethief Reservoir Campground
City, County & Regional Parks · Idaho, United States
- Season
- May 19 to early September
- Cost
- $20/night per site, cash or check, paid on site.
- Max RV length
- 30 ft
- Restrooms
- Yes
- Elevation
- 5,043 ft
- Dark sky
- Bortle class 1
- Lake
- Horsethief Reservoir
- Nearest town
- Cascade
- Phone
- 208-382-4425
About
Valley County Recreation Department semi-primitive campground about 9 miles east of Cascade and 75 miles north of Boise. No electrical, pressurized water, or sewer hookups at individual sites; suitable for tents, vans, and trailers/motorhomes 30ft and smaller. Multiple ADA campsites and restrooms across west-side loops, dumpsters at King's Point, Osprey, and Trout Landing, and boat launches on both sides of the reservoir. Season May 19 through Labor Day weekend (longer, weather permitting). First-come, first-served, cash or check only. Semi-primitive camping in six loops - King's Landing, Bear Knob, Easters Cove, Timber Bay, Osprey and Trout Landing - with vault toilets, no drinking water, no electric hookups and no dump station. Suitable for tents, vans and trailers or motorhomes up to 30 feet, with some sites shorter. Four accessible campsites. First-come, first-served. Open from around 19 May to Labor Day weekend, longer if the weather holds.
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 33° | 17° | -4° | 44° | 11 of 11 |
| February | 33° | 20° | -7° | 44° | 11 of 11 |
| March | 40° | 26° | 8° | 55° | 11 of 11 |
| April | 44° | 28° | 16° | 67° | 11 of 11 |
| May | 55° | 33° | 23° | 74° | 9 of 11 |
| June | 70° | 44° | 31° | 85° | 1 of 11 |
| July | 83° | 55° | 41° | 94° | 0 of 11 |
| August | 82° | 54° | 42° | 92° | 0 of 11 |
| September | 70° | 46° | 36° | 83° | 0 of 11 |
| October | 54° | 34° | 7° | 73° | 7 of 10 |
| November | 43° | 27° | -3° | 61° | 9 of 10 |
| December | 33° | 15° | 2° | 44° | 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
- Lake Cascade State Park · Idaho State Parks · 7 mi · 279 sites
- French Creek · USDA Forest Service · 10 mi · 21 sites
- Boiling Springs Cabin · USDA Forest Service · 11 mi · 1 sites
- Boiling Springs Campground · USDA Forest Service · 11 mi
- Peace Valley Campground · USDA Forest Service · 13 mi · 1 sites
All public campgrounds in Idaho · Every state and province · Facts read from the operator 2026-09-04. Confirm fees, rules and current status with the operator before you go.