USDA Forest Service · Idaho
Mill Flat Campground
USDA Forest Service · Idaho, United States
- Cost
- No fees are required for this site
- Drinking water
- No
- Restrooms
- Yes
- Elevation
- 5,955 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
- SUBLETT (NFSR 70565) · native material · suitable for passenger cars
About
US Forest Service campground. Mill Flat Campground is a developed campground composed of 7 individual units located in an open setting within a canyon. This is a non-fee campground and picnic area where reservations are not required. This area is accessible for a season that varies usually between June through October. Campground amenities include restrooms. The campground is well suited for trailer and tent camping. Visitors can fish for trout in the stream and explore the mountains canyon by canyon on the extensive trail system. Pack out what you pack in. Not reservable through Recreation.gov, so plan on first-come, first-served; check with the ranger district for current conditions and fees.
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 28° | 15° | -8° | 42° | 11 of 11 |
| February | 31° | 20° | -13° | 47° | 11 of 11 |
| March | 39° | 25° | 9° | 69° | 11 of 11 |
| April | 49° | 31° | 16° | 67° | 11 of 11 |
| May | 62° | 42° | 25° | 76° | 3 of 11 |
| June | 73° | 51° | 32° | 90° | 1 of 11 |
| July | 87° | 65° | 44° | 96° | 0 of 11 |
| August | 84° | 61° | 48° | 93° | 0 of 11 |
| September | 74° | 51° | 39° | 85° | 0 of 11 |
| October | 58° | 37° | 16° | 75° | 8 of 10 |
| November | 46° | 28° | 2° | 58° | 9 of 10 |
| December | 30° | 19° | 4° | 52° | 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
- Sublett Campground · USDA Forest Service · 7 mi
- Twin Springs Campground · USDA Forest Service · 17 mi
- Massacre Rocks State Park · Idaho State Parks · 17 mi · 42 sites
- McClendon Spring Campground · Bureau of Land Management · 21 mi
- Pipeline Campground · Bureau of Land Management · 22 mi
All public campgrounds in Idaho · Every state and province · Facts read from the operator 2025-12-22. Confirm fees, rules and current status with the operator before you go.