Unit 421
Public lands inside this unit
We're still mapping public-land overlap for this unit. Explore parks in Montana →
Trails near Unit 421
8 found
Continental Divide Trail
3001.6 miTrailDifficultFlesher Pass Trail
7.3 miTrailDifficultWashington to Arizona Backcounty Discovery Route Ride
4.7 miTrailModerateThe Loop Trail
2.5 miTrailWest Loop Trail
1.2 miTrailTower Rock Trail
0.5 miTrailCliff Base Trail
0.2 miTrailNorth Side Loop Trails
0.1 miTrail
Campgrounds near Unit 421
12 found
Rocky Mountain Range
Pricing varies — check with the operatorCampground
Holter Lake State Rec Area
Pricing varies — check with the operatorCampgroundWolf Creek Bridge
Pricing varies — check with the operatorCampgroundSpite Hill Fishing Access Site
Pricing varies — check with the operatorCampgroundHolter Dam Rec. Site Campground
Pricing varies — check with the operatorCampgroundAmerican Legion Lions Park
Pricing varies — check with the operatorCampgroundLowry Bridge Access Site
Pricing varies — check with the operatorCampground7R Guest Ranch Motel & RV Park
Pricing varies — check with the operatorCampgroundMountain Palace Fishing Access Site
Pricing varies — check with the operatorCampgroundWild Sky’s Homestead
Pricing varies — check with the operatorCampgroundPrewett Creek Fishing Access Site
Pricing varies — check with the operatorCampgroundPelican Point Fishing Access Site
Pricing varies — check with the operatorCampground
Water bodies near Unit 421
1 found
On the books in Montana
Species inventory is state-level — which units actually hold or permit each species varies. Verify unit-specific rules with the state agency linked above.
Official agency resources
Montana Fish, Wildlife & Parks
- Hunting regulations ↗
https://fwp.mt.gov/hunt/regulations
- Draw / lottery ↗
https://fwp.mt.gov/buyandapply/hunting-licenses/application-drawing-dates
- GMU map ↗
https://fwp.mt.gov/gis/maps/huntPlanner/
- Harvest reporting ↗
https://myfwp.mt.gov/fwpPub/harvestReports
- Hunter education ↗
https://fwp.mt.gov/education/hunter
- Buy a license ↗
https://fwp.mt.gov/buyandapply/hunting-licenses
Authoritative source
Outdoors does not publish hunting regulations directly. For current season dates, bag limits, legal weapons, draw deadlines, and license costs in unit 421, go straight to the issuing agency.
Read the Montana agency pageBoundary verified by Outdoors against the agency source on 08/02/2026.