Clarence Cannon NWR
Pike County, MO · 25 mi NW
3.9K huntable acres
National Wildlife Refuge · Illinois · FWS Region 3
Two Rivers National Wildlife Refuge is located in Calhoun County, Illinois, with about 1,014 acres of land owned in fee by the U.S. Fish and Wildlife Service. Its lands extend into Missouri. For the 2026–2027 season the refuge has 8 mapped hunt units: 8 open with special regulations, covering about 9,009 huntable acres.
Hunt units are colored by 2026–2027 status. Toggle layers for FWS-owned land, the approved refuge boundary and private easements. Use satellite imagery to scout marshes, timber edges and access points.
Hunting opportunities include big game, waterfowl, wild turkey, upland birds, migratory birds, small game, and feral & exotic, subject to state seasons and refuge-specific rules. Fishing is available — freshwater fishing.
Hunting on Two Rivers National Wildlife Refuge was expanded in 2020 and included additional opportunities for migratory birds, upland game and big game hunting.
Categories are those listed by USFWS for this station; exact species, seasons and bag limits follow Illinois regulations plus refuge-specific rules.
| Unit | Status | Acres | Permit | Details |
|---|---|---|---|---|
| Apple Creek Show on map · Directions |
!Special regs | 298 | — | |
| Batchtown Show on map · Directions |
!Special regs | 2,463 | — | |
| Calhoun Wetlands Show on map · Directions |
!Special regs | 747 | — | |
| Clarksville Island Show on map · Directions |
!Special regs | 782 | — | |
| Gilbert Lake Show on map · Directions |
!Special regs | 688 | — | |
| Pohlman Forest Show on map · Directions |
!Special regs | 96 | — | |
| Portage Island Show on map · Directions |
!Special regs | 143 | — | |
| Swan Lake Wetlands Show on map · Directions |
!Special regs | 3,791 | — |
With about 9,009 huntable acres, Two Rivers NWR ranks #4 of 9 refuges and stations with mapped hunting land in Illinois and #206 of 420 nationwide. Roughly 100% of the acreage inside its mapped hunt units is open to hunting in some form.
The largest huntable unit is Swan Lake Wetlands (3,791 acres, special regulations), while the smallest, Pohlman Forest, covers 96 acres.
Besides 1,014 acres of federally owned land, the station administers conservation easements on about 353 acres of private land. Easement land protects habitat but is not open to public hunting.
Typical U.S. season windows for the game categories offered here. Illinois sets the exact dates, and refuges often open fewer days than the statewide season — use this to plan scouting, then confirm the 2026–2027 dates in the state regulations and the refuge hunt brochure.
Not listed
USFWS does not list a separate refuge permit for this station. Specific units or hunts (e.g. quota deer hunts) may still require one — check the hunt brochure.
Two Rivers allows for recreational and commercial fishing. Commercial fishing, including that for carp control, requires a special use permit, contact the refuge if interested in commercial fishing on Two Rivers.
State fishing licenses and regulations apply. Some waters close seasonally to protect wildlife.
Destination: Two Rivers National Wildlife Refuge (FWS reference point)
38.95515, -90.5473138°57′18.5″N 90°32′50.3″WStraight-line distances. Driving routes are longer; many refuge roads are gravel and may close seasonally.
The navigation point is the station reference location published by USFWS — often the headquarters or main entrance. For a specific hunt unit, open its page or click it on the map for coordinates and parking planning.
*½ hour before sunrise — the standard federal shooting-hour start for migratory game birds. Times in Chicago local time.
Full season calculator →| Date | Shooting light | Sunrise | Sunset | Daylight |
|---|---|---|---|---|
| Tue, Sep 1, 2026 | 6:00 AM | 6:30 AM | 7:34 PM | 13h 05m |
| Tue, Sep 15, 2026 | 6:12 AM | 6:42 AM | 7:12 PM | 12h 30m |
| Thu, Oct 1, 2026 | 6:26 AM | 6:56 AM | 6:46 PM | 11h 50m |
| Thu, Oct 15, 2026 | 6:40 AM | 7:10 AM | 6:25 PM | 11h 15m |
| Sun, Nov 1, 2026 | 5:58 AM | 6:28 AM | 5:03 PM | 10h 35m |
| Sun, Nov 15, 2026 | 6:14 AM | 6:44 AM | 4:49 PM | 10h 05m |
| Tue, Dec 1, 2026 | 6:31 AM | 7:01 AM | 4:41 PM | 9h 40m |
| Tue, Dec 15, 2026 | 6:43 AM | 7:13 AM | 4:41 PM | 9h 28m |
| Fri, Jan 1, 2027 | 6:50 AM | 7:20 AM | 4:49 PM | 9h 29m |
| Fri, Jan 15, 2027 | 6:49 AM | 7:19 AM | 5:02 PM | 9h 43m |
| Mon, Feb 1, 2027 | 6:39 AM | 7:09 AM | 5:21 PM | 10h 12m |
Computed for 38.955, -90.547 (CDT / DST-aware). Check state rules — big game hours vary.
Loading National Weather Service forecast…
Forecast from the National Weather Service. Wind direction matters — plan your approach downwind of where game beds.
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Yes. Two Rivers National Wildlife Refuge offers hunting in 8 units (9,009 acres) during 2026–2027 for big game, waterfowl, wild turkey, upland birds, migratory birds, small game, and feral & exotic. Seasons follow state regulations plus refuge-specific rules in 50 CFR Part 32.
FWS data does not list a separate refuge hunting permit for Two Rivers NWR. You still need a valid state license, any required state tags or stamps, and (for waterfowl hunters 16+) a Federal Duck Stamp.
Yes. Fishing is permitted (freshwater fishing). State fishing licenses and regulations apply along with refuge rules.
Two Rivers National Wildlife Refuge is in Calhoun County, Illinois, about 29 miles NW of St. Louis, MO (straight-line). GPS: 38.95515, -90.54731.
Migratory game bird shooting hours are generally one-half hour before sunrise to sunset; big game and other seasons follow state rules. See the sunrise/sunset table on this page and confirm in the refuge hunt brochure.
Pike County, MO · 25 mi NW
3.9K huntable acres
Morgan County, IL · 63 mi N
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11.3K huntable acres
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8.2K huntable acres
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894 huntable acres
Data: USFWS National Hunt Units 2026–2027, Hunting & Fishing Opportunities, Realty Boundaries & Tracts. Page updated October 28, 2026.