USDA Forest Service · Montana
Hyalite Below Dam Camping
USDA Forest Service · Montana, United States
- Elevation
- 6,667 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
- BLACKMORE CAMP (NFSR 625) · native material · high clearance vehicles
About
US Forest Service campground. Not reservable through Recreation.gov, so plan on first-come, first-served; check with the ranger district for current conditions and fees.
Fees
Overnight Use:
Single Site: $22/night plus $9/night per extra vehicle
Interagency Senior/Access Recreation Passes provide a 50% discount to Single Campsites ONLY.
*The discount applies only to the fee for the campsite physically occupied by the pass holder, not to any additional fee or campsite(s) occupied by members of the pass holder's party.*
https://store.usgs.gov/recreational-passes
Please be prepared to pay with CASH or CHECK.
*Sites may be reservable and reservation fees apply.*
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 29° | 12° | -22° | 41° | 11 of 11 |
| February | 28° | 11° | -22° | 45° | 11 of 11 |
| March | 36° | 16° | 2° | 55° | 11 of 11 |
| April | 42° | 24° | -3° | 59° | 11 of 11 |
| May | 50° | 31° | 9° | 63° | 11 of 11 |
| June | 63° | 42° | 28° | 85° | 5 of 11 |
| July | 77° | 49° | 37° | 90° | 0 of 11 |
| August | 75° | 49° | 41° | 86° | 0 of 11 |
| September | 66° | 42° | 23° | 79° | 2 of 11 |
| October | 49° | 29° | 9° | 69° | 9 of 10 |
| November | 38° | 19° | -14° | 59° | 10 of 10 |
| December | 29° | 12° | -8° | 42° | 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
- Hood Creek Campground · USDA Forest Service · 1 mi · 26 sites
- Chisholm Campground · USDA Forest Service · 2 mi · 10 sites
- Maxey Cabin · USDA Forest Service · 2 mi · 1 sites
- Window Rock Cabin · USDA Forest Service · 2 mi · 1 sites
- Fox Creek Cabin (Mt) · USDA Forest Service · 3 mi · 1 sites
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.