Hamlin County, South Dakota: Walk-In Areas, GPAs and public hunting land
Hamlin County has 3,124 acres of private land open to public hunting through GFP's Walk-In Area and CREP programs inside its line (20 tracts centered in the county), 20 game production areas covering 8,082 acres, and 3,391 acres of other public land, by the maps GFP publishes. That is 4.2% of the county's 344,395 acres.
Data updated October 2026. Walk-In Areas, CREP, school and public land, federal land and GPAs: GFP map layers. Units: GFP 2026 applications and harvest projections.
Game production area (GFP)Waterfowl production areaOther GFP land (access sites, lakes)Walk-In Area or CREP (private land open to hunting)Hamlin CountyNeighboring countiesLake or riverHighway
| Size | 344,395 acres (538 square miles) |
|---|---|
| Walk-In and CREP land inside the county line | 3,124 acres |
| Walk-In Area tracts centered in the county | 13 (2,225 acres in all) |
| CREP tracts centered in the county | 7 (900 acres in all) |
| Game production areas | 20, 8,082 acres |
| School and public land | 0 acres |
| Other public land | 3,391 acres |
| Deer units | Deer unit 32A |
| Towns | Castlewood, Estelline, Lake Norden, Bryant and Hayti |
How much Walk-In Area land is in Hamlin County?
3,124 acres inside the county line, 0.9% of the county. 13 Walk-In Area tracts are centered in the county (2,225 acres in all), and 7 CREP tracts (900 acres). Walk-In Areas and CREP land are private ground GFP leases for public hunting. GFP's public hunting atlas shows each tract.
Which game production areas are in Hamlin County?
20 GPAs, 8,082 acres in all, largest first:
- Sioux Poinsett GPA: 2,339 acres
- Mickelson Memorial Marsh GPA: 1,679 acres
- Opdahl GPA: 524 acres
- West Lake Marsh GPA: 433 acres
- Baxter Slough GPA: 400 acres
- Johnson Slough GPA: 384 acres
- Harju GPA: 374 acres
- North Lake Marsh GPA: 367 acres
- Hayes Slough GPA: 319 acres
- Rasmussen GPA: 286 acres
- Bochek GPA: 271 acres
- Eidsness GPA: 157 acres
- South Lake Marsh GPA: 157 acres
- Gertson GPA: 100 acres
- McShane GPA: 79 acres
- Izaak Walton GPA: 76 acres
- Lake John GPA: 55 acres
- Dixon GPA: 40 acres
- Halde Outlet GPA: 22 acres
- Preston Slough GPA: 21 acres
How much public land is in Hamlin County?
3.3% of the county is public land: 11,473 acres, counting the GPAs. The largest share is game production area, 8,082 acres.
| Manager | Acres | Share of the county |
|---|---|---|
| Game production area (GFP) | 8,082 | 2.3% |
| Waterfowl production area | 3,391 | 1% |
| Walk-In Area or CREP (private land open to hunting) | 3,124 | 0.9% |
| Other GFP land (access sites, lakes) | 148 | under 0.1% |
Measured by FilledTag inside the Census county line from GFP public hunting atlas layers (Walk-In Areas, CREP, school and public land, federal land) and GFP Managed Lands; overlapping maps are counted once.
Which hunting units are in Hamlin County?
The units GFP names for Hamlin County, with their 2026 licenses and latest harvest projection, for the whole unit:
| Unit | GFP's description | Licenses, 2026 | Taken (GFP projection) |
|---|---|---|---|
| Deer unit 32A | Hamlin | 700 | 286 (2025) |
Sources: GFP 2026 draw applications; GFP harvest projections.
How do you get around Hamlin County?
Highways: SD 28 (about 32 miles in the county), SD 22 (about 24 miles in the county), US 81 (about 18 miles in the county), I-29 (about 11 miles in the county) and SD 21 (about 10 miles in the county). Towns: Castlewood, Estelline, Lake Norden, Bryant, Hayti, Hazel and Lake Poinsett.
How do the counties around Hamlin compare?
| County | Walk-In and CREP acres | Tracts | GPA acres | Other public acres |
|---|---|---|---|---|
| Brookings | 2,794 | 23 | 2,775 | 6,625 |
| Clark | 4,970 | 31 | 10,870 | 6,575 |
| Codington | 6,354 | 32 | 9,570 | 6,055 |
| Deuel | 5,400 | 35 | 5,164 | 3,203 |
| Kingsbury | 1,238 | 10 | 8,597 | 7,331 |
Questions hunters ask
How much Walk-In Area land is in Hamlin County?
GFP's public hunting atlas shows 3,124 acres of Walk-In Area and CREP land inside Hamlin County's line, from 20 tracts centered in the county. No permission is needed to hunt a Walk-In Area; travel there is on foot except on signed trails, by GFP's handbook.
Are there game production areas in Hamlin County?
Yes, 20: Sioux Poinsett (2,339 acres), Mickelson Memorial Marsh (1,679 acres), Opdahl (524 acres), West Lake Marsh (433 acres), Baxter Slough (400 acres) and Johnson Slough (384 acres), and 14 more.
What hunting units are in Hamlin County?
GFP names deer unit 32A for Hamlin County in its 2026 applications.
How much public land is in Hamlin County?
3.3% of the county, 11,473 acres, is public land open to hunting under its manager's rules; the largest share is game production area at 8,082 acres.
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Where these numbers come from
- Walk-In Areas, CREP, school and public land, federal land and GPAs: GFP public hunting atlas layers (Walk-In Areas, CREP, school and public land, federal land) and GFP Managed Lands.
- Units: GFP 2026 draw applications and harvest projections.
- County line, highways and towns: U.S. Census Bureau 2024 boundaries, TIGER/Line and Gazetteer.
FilledTag is not part of South Dakota Game, Fish and Parks. Walk-In Areas change each year; check GFP's current atlas before you go.
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