Unit 21 · Piceance Basin North
About this unit
Northern Rio Blanco County in the upper Piceance Basin. Pinyon-juniper and oakbrush on broken bench country with aspen pockets on the higher north-slope folds; the basin holds one of the largest mule deer herds in North America. Predominantly BLM and White River National Forest with private and energy-development ground throughout.
- Piceance Basin
- White River NF-adjacent
- BLM Little Hills
Public lands inside this unit
2 found
Trails near Unit 21
2 found
Campgrounds near Unit 21
3 found
Species in this unit
Official agency resources
Colorado Parks and Wildlife
- Hunting regulations ↗
https://cpw.state.co.us/rules-and-regulations
- Draw / lottery ↗
https://cpw.state.co.us/hunting/big-game/primary-draw
- GMU map ↗
https://ndismaps.nrel.colostate.edu/index.html?app=HuntingAtlas
- Harvest reporting ↗
https://cpw.state.co.us/thingstodo/Pages/Statistics.aspx
- Hunter education ↗
https://cpw.state.co.us/hunting/education-outreach
- Buy a license ↗
https://cpwshop.com/
Authoritative source
Outdoors does not publish hunting regulations directly. For current season dates, bag limits, legal weapons, draw deadlines, and license costs in unit 21, go straight to the issuing agency.
Read the Colorado agency pageBoundary verified by Outdoors against the agency source on 05/23/2026.