Mail Shack Game Production Area: hunting, map and access
Mail Shack Game Production Area is 1,176 acres of land managed by South Dakota Game, Fish and Parks in 6 pieces, in Sully County. Game production areas are open to public hunting under GFP's rules. Within 5 miles of this one are 1,818 acres of Walk-In Areas and CREP land and 1,427 acres of other public land.
Data updated October 2026. Boundary: GFP Managed Lands. Land around it: GFP public hunting atlas layers. Units: GFP 2026 applications.
Game production area (GFP)BLMCorps of EngineersSchool and public landState park or recreation area (rules vary)Walk-In Area or CREP (private land open to hunting)Mail Shack GPACounty lineLake or riverHighway
| Size | 1,176 acres, 6 pieces (measured from GFP's boundary) |
|---|---|
| County | Sully |
| Deer units in the county | Deer unit 59A, Deer unit 59B |
| Antelope units in the county | Antelope unit 59A |
| Walk-In Areas and CREP within 5 miles | 1,818 acres |
| Nearest towns | Cow Creek (9 mi), Oahe Acres (17 mi) and Fort Pierre (22 mi) |
What other hunting land is near Mail Shack GPA?
Within 5 miles of the GPA's boundary, GFP's maps show 1,818 acres of Walk-In Areas and CREP land (1 tract centered in that ring) and 1,427 acres of other public land. Other game production areas close by: Brush Creek GPA (4,307 acres in the ring), Little Bend GPA (2,895 acres in the ring), Ft. Sully GPA (677 acres in the ring), Koenig Area GPA (647 acres in the ring) and Sutton GPA (315 acres in the ring).
| Within 5 miles | Acres |
|---|---|
| Game production area (GFP) | 8,860 |
| Walk-In Area or CREP (private land open to hunting) | 1,818 |
| BLM | 771 |
| Corps of Engineers | 610 |
| State park or recreation area (rules vary) | 417 |
| School and public land | 46 |
Measured by FilledTag from GFP public hunting atlas layers (Walk-In Areas, CREP, school and public land, federal land) and GFP Managed Lands; land outside South Dakota is not counted.
How do you get to Mail Shack GPA?
Mail Shack GPA is about 9 miles northwest of Cow Creek, and 17 miles northwest of Oahe Acres. Highways within 8 miles: SD 1804 (9 miles of it). Hunting units: GFP names Deer unit 59A, Deer unit 59B and Antelope unit 59A for Sully County.
Questions hunters ask
How big is Mail Shack GPA?
1,176 acres, in 6 separate pieces, measured by FilledTag from GFP's Managed Lands boundary.
What county is Mail Shack GPA in?
Sully County.
Is there other public hunting land near Mail Shack GPA?
Within 5 miles, GFP's maps show 1,818 acres of Walk-In Areas and CREP land and 1,427 acres of other public land, plus Brush Creek GPA, Little Bend GPA and Ft. Sully GPA.
What is the closest town to Mail Shack GPA?
Cow Creek (9 miles), Oahe Acres (17 miles) and Fort Pierre (22 miles).
Get a South Dakota hunt plan when they open
Hunt plans for South Dakota are coming. Join the list and you'll hear first. The first 50 hunters in each new state get their plan free.
Until then, the free FilledTag app for iPhone has a map that works in every state, South Dakota included.
Where these facts come from
- Boundary: GFP Managed Lands. Land around it: GFP public hunting atlas layers (Walk-In Areas, CREP, school and public land, federal land) and GFP Managed Lands.
- Units: GFP 2026 west river deer application; GFP 2026 east river deer application; GFP 2026 firearm antelope application.
FilledTag is not part of South Dakota Game, Fish and Parks. Posted rules and GFP's handbook are the final word.
South Dakota hunting Sully County Deer unit 59A Deer unit 59B