Deer Hunt Area 21 (Thunder Basin): public land and hunting map
Deer Hunt Area 21 (Thunder Basin) is one of Wyoming Game and Fish Department’s 126 deer hunt areas in Wyoming. It covers about 850 square miles (544,249 acres), and roughly 18% of it is public land: state land 7.2%, BLM 6.7%, Forest Service 4.2%.
- 18%public land
- 850square miles
- 98,509public acres
- 4neighbouring units
Measured Oct 12, 2026 from agency boundaries and USGS PAD-US 4.1 · sources and method
Who manages the land
- Bureau of Land Management6.7%
- U.S. Forest Service4.2%
- State land (wildlife, trust and natural-resource agencies)7.2%
Share of the unit’s area. Federal agencies plus state wildlife, trust and natural-resource land, as the WikiHunt map classifies it. The rest is private, tribal, local or other land.
Units next to Deer Hunt Area 21 (Thunder Basin)
Wyoming season dates, 2026
Statewide general seasons. Many units have their own dates, quotas or draw-only hunts, so check the unit in the regulations before you go.
| Species | Season | 2026 dates |
|---|---|---|
| Deer | Archery Deer | Sep 1 – Sep 30 |
| Deer | General Rifle Deer | Oct 15 – Nov 15 |
| Elk | Archery Elk | Sep 1 – Sep 30 |
| Elk | General Rifle Elk | Oct 1 – Nov 15 |
| Pronghorn | Rifle Antelope | Oct 1 – Oct 31 |
| Moose | Moose | Sep 15 – Oct 31 |
Full notes on the Wyoming page · Wyoming regulations.
Questions
How much of Deer Hunt Area 21 (Thunder Basin) is public land?
About 18% of Deer Hunt Area 21 (Thunder Basin) (98,509 of 544,249 acres) is federal or state public land in USGS PAD-US 4.1, mostly State land (wildlife, trust and natural-resource agencies), Bureau of Land Management and U.S. Forest Service. Public land is not always open land: check access and closures before you go.
Who manages the land in Deer Hunt Area 21 (Thunder Basin)?
State land (wildlife, trust and natural-resource agencies): 7.2%; Bureau of Land Management: 6.7%; U.S. Forest Service: 4.2%. The rest is private, tribal, local government or other land.
Which units border Deer Hunt Area 21 (Thunder Basin)?
Deer Hunt Area 10 (Rochelle Hills), Deer Hunt Area 18 (Campbell), Deer Hunt Area 19 (Pumpkin Buttes) and Deer Hunt Area 8 (Upton-Four Horse).
Where are the season dates and rules for Deer Hunt Area 21 (Thunder Basin)?
Wyoming Game and Fish Department sets them. Start at the Wyoming hunting regulations. WikiHunt shows the statewide general seasons on the Wyoming page and in the app.
Sources and method
- Boundary: Wyoming Game and Fish Department (owner WyomingGameAndFish@wgfd), the same layer the WikiHunt map draws.
- Public land: USGS Protected Areas Database (PAD-US) 4.1, Fee Managers layer (public domain).
- Method: the unit and PAD-US polygons are simplified to about 100 m and measured on a grid of about 250 cells across the unit, so overlapping records are counted once. Expect about ±1 percentage point.
- Season dates: WikiHunt’s season table, updated Sep 2, 2026, checked against each state’s published regulations. Dates change; the regulations win.
- Last updated: Oct 12, 2026. Spotted a mistake? Tell us.