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About
15 campsites along the North Fork of the Sun River. Good fishing for rainbow and west slope cutthroat trout. Hiking nearby on the Mortimer Gulch National Recreation Trail. Motorized and non-motorized boat access at the boat launch. 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.
Around this stay
Nearest surrounding services and recreation within ~25 mi — not on-site amenities.
- 12 mi
potable water
Potable water
- 1.6 mi
trailhead
Beaver Trailhead
- 6.2 mi
attraction
Medicine (Sun River) Springs
- 0.4 mi
recreation site
Hannan Gulch 6
No dump station found within ~25 mi. Plan dump access before you arrive.
Forest road access near this stay: DIVERSION LAKE DISPERSED B in Helena-Lewis and Clark National Forest. Motorhome access is listed as open on the nearest MVUM segment — verify current restrictions.
Contact & access
- MT
- fs.usda.gov
- OPEN
Source and verification
Last verified: 10/5/2026
See the Sources tab for provenance detail.

