Unit 266 · Horse Heaven
About this unit
Horse Heaven Hills shrub-steppe country south of the Yakima Valley. Sage and bunchgrass ridges over the Columbia River; WDFW Sunnyside Wildlife Area on the north.
- Horse Heaven Hills
- Columbia River
Public lands inside this unit
We're still mapping public-land overlap for this unit. Explore parks in Washington →
Trails near Unit 266
3 found
Campgrounds near Unit 266
2 found
Species in this unit
Official agency resources
Washington Department of Fish and Wildlife
- Hunting regulations ↗
https://wdfw.wa.gov/hunting/regulations
- Draw / lottery ↗
https://wdfw.wa.gov/hunting/special-hunts
- GMU map ↗
https://wdfw.wa.gov/hunting/gmu
- Harvest reporting ↗
https://wdfw.wa.gov/hunting/requirements/harvest-reporting
- Hunter education ↗
https://wdfw.wa.gov/hunting/requirements/education
- Buy a license ↗
https://wdfw.wa.gov/licensing
Authoritative source
Outdoors does not publish hunting regulations directly. For current season dates, bag limits, legal weapons, draw deadlines, and license costs in unit 266, go straight to the issuing agency.
Read the Washington agency pageBoundary verified by Outdoors against the agency source on 05/24/2026.