USDA Forest Service · Montana
Mortimer Gulch Campground
USDA Forest Service · Montana, United States
- Cost
- Overnight Use: Single Site: $15 per night Additional Vehicle: $5 per night
- Drinking water
- Yes
- Restrooms
- Yes
- Elevation
- 4,980 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
- MORTIMER GULCH CAMPGRND (NFSR 9231) · bituminous surface treatment · moderate degree of user comfort
- Nearest town
- Augusta, MT
About
US Forest Service campground. Mortimer Gulch campground is located close to Gibson Reservoir with 26 campsites available for use. Fishing for rainbow or cutthroat trout in the reservoir and in the North Fork of the Sun River is an excellent way to spend the weekend away during the summer months. It is highly recommended that a4 WD vehicle is used to reach the cement boat ramp (1/2 mile away). Bears may frequent the area; keep all food out of sight in approved containers and remove all food from area after eating. Mandatory food storage is required. 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 | 31° | 16° | -45° | 42° | 11 of 11 |
| February | 30° | 14° | -31° | 47° | 11 of 11 |
| March | 40° | 23° | -5° | 56° | 11 of 11 |
| April | 43° | 27° | 3° | 61° | 11 of 11 |
| May | 53° | 35° | 22° | 75° | 9 of 11 |
| June | 65° | 44° | 35° | 89° | 0 of 11 |
| July | 79° | 53° | 41° | 88° | 0 of 11 |
| August | 77° | 52° | 41° | 90° | 0 of 11 |
| September | 66° | 45° | 27° | 82° | 2 of 11 |
| October | 49° | 34° | 15° | 71° | 7 of 10 |
| November | 39° | 24° | -9° | 61° | 9 of 10 |
| December | 32° | 16° | -15° | 49° | 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
- Sun Canyon L&C · USDA Forest Service · 2 mi
- Home Gulch Campground · USDA Forest Service · 2 mi
- Kenck Cabin · USDA Forest Service · 9 mi · 1 sites
- South Fork Campground · USDA Forest Service · 9 mi
- Benchmark Campground · USDA Forest Service · 10 mi
All public campgrounds in Montana · Every state and province · Facts read from the operator 2026-08-06. Confirm fees, rules and current status with the operator before you go.