Waterfowl Production Area · Sheridan County, North Dakota

Oster Waterfowl Production Area

Public land (fee title)Walk-in access

Oster Waterfowl Production Area is a public parcel of roughly 482 acres located in Sheridan County, North Dakota. It is managed by the Audubon Wetland Management District as part of the Sheridan County Waterfowl Production Area of ND group of WPAs. Waterfowl Production Areas are purchased largely with Federal Duck Stamp dollars and are generally open to hunting, trapping and fishing under state regulations, with some federal restrictions.

Navigate here Satellite map Audubon WMD rules →
482GIS acres
480deeded acres
Sheridan Countycounty
8WPAs within 40 mi

Oster WPA satellite map

Gold outlines are fee-title Waterfowl Production Areas — public land. Everything outside is typically private; always look for boundary signs.

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Waterfowl Production Area (public)County lineRefuge / station Tip: switch to Satellite or USGS Topo in the layer menu · click the map for GPS coordinates
All WPAs in Sheridan County:KMLGPX

Hunting on Oster WPA

What you can typically do

  • Hunt waterfowl, upland birds, deer and other game in season under North Dakota regulations
  • Walk in from roads or designated parking areas — vehicles generally stay off the tract
  • Fish and trap where state rules and district regulations allow
  • Wildlife watching, photography and hiking

Common restrictions

  • No camping, fires or overnight use on most WPAs
  • Motorized vehicles only on designated roads/parking
  • Temporary blinds and stands usually must be removed daily
  • Non-toxic shot required for waterfowl — many districts require it for all shotgun hunting
  • Some tracts have closed areas or special regulations — check signs

How to get to Oster WPA

Navigate

Destination: Oster Waterfowl Production Area

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Decimal
47.33111, -100.34756
DMS
47°19′52.0″N 100°20′51.2″W

Nearest towns

  • Bismarck, ND41 mi NE of town
  • Garrison, ND55 mi SE of town
  • Carrington, ND58 mi W of town

Closest airports

  • BIS Bismarck Municipal43 mi

Straight-line distances. Driving routes are longer; many refuge roads are gravel and may close seasonally.

Shooting hours at Oster WPA

Today at Oster WPA

Legal light*–
Sunrise–
Sunset–

*½ hour before sunrise — the standard federal shooting-hour start for migratory game birds. Times in Chicago local time.

Full season calculator →

2026–2027 season sun table

DateShooting lightSunriseSunsetDaylight
Tue, Sep 1, 20266:29 AM6:59 AM8:24 PM13h 25m
Tue, Sep 15, 20266:47 AM7:17 AM7:56 PM12h 39m
Thu, Oct 1, 20267:08 AM7:38 AM7:23 PM11h 45m
Thu, Oct 15, 20267:28 AM7:58 AM6:55 PM10h 58m
Sun, Nov 1, 20266:53 AM7:23 AM5:26 PM10h 03m
Sun, Nov 15, 20267:14 AM7:44 AM5:07 PM9h 23m
Tue, Dec 1, 20267:37 AM8:07 AM4:54 PM8h 47m
Tue, Dec 15, 20267:51 AM8:21 AM4:51 PM8h 30m
Fri, Jan 1, 20277:58 AM8:28 AM5:00 PM8h 32m
Fri, Jan 15, 20277:54 AM8:24 AM5:15 PM8h 52m
Mon, Feb 1, 20277:38 AM8:08 AM5:40 PM9h 33m

Computed for 47.331, -100.348 (CDT / DST-aware). Check state rules — big game hours vary.

7-day forecast

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Forecast from the National Weather Service. Wind direction matters — plan your approach downwind of where game beds.

Nearby Waterfowl Production Areas

WPAAcresDistanceCounty
Bernhardt WPA1591.7 mi SBurleigh County
North Crimmins WPA2061.7 mi SBurleigh County
Grimes WPA202.6 mi NSheridan County
Reiser WPA1603.6 mi NWSheridan County
Dockter WPA1613.6 mi ESheridan County
Crimmins WPA1,4584.6 mi SBurleigh County
BLM #1 WPA1604.6 mi SWBurleigh County
Rohrbach WPA645.3 mi SEBurleigh County

Closest refuges & districts

Florence Lake NWR

Burleigh County, ND · 2.6 mi SE

1 special1 closed
🦌🦃🐦🐇

1.6K huntable acres

Lake Nettie NWR

McLean County, ND · 36 mi NW

1 special1 closed
🦌🦃🐦🐇

2.1K huntable acres

Audubon NWR

McLean County, ND · 42 mi NW

1 special1 closed
🦌🦃🐦🐇🎣

3.2K huntable acres

Source: USFWS Realty Tracts (fee-title interest), Sheridan County Waterfowl Production Area of ND. Acreage from GIS polygons; deeded acreage from realty records.