Assabet River NWR
Middlesex County, MA · 10 mi SE
2.3K huntable acres
National Wildlife Refuge · Massachusetts · FWS Region 5
Located in Worcester County, Massachusetts, Oxbow National Wildlife Refuge is managed by the U.S. Fish and Wildlife Service, with about 1,696 acres of land owned in fee by the U.S. Fish and Wildlife Service. For the 2026–2027 season the refuge has 7 mapped hunt units: 6 open with special regulations and 1 closed, covering about 1,672 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.
Permitted hunting categories are big game, waterfowl, wild turkey, upland birds, migratory birds, and small game, subject to state seasons and refuge-specific rules. Fishing is available — freshwater fishing. A refuge permit is required for at least some activities, in addition to your state license.
Oxbow National Wildlife Refuge consists of approximately 1,667 acres of upland, southern New England flood-plain forest and wetland communities along nearly eight miles of the Nashua River corridor.
Categories are those listed by USFWS for this station; exact species, seasons and bag limits follow Massachusetts regulations plus refuge-specific rules.
| Unit | Status | Acres | Permit | Details |
|---|---|---|---|---|
| Hospital Rd. North | !Special regs | 128 | Required Other OMB-Approved Permit |
Hunting |
| Hospital Rd. South | !Special regs | 169 | Required Other OMB-Approved Permit |
Hunting |
| North Unit | !Special regs | 393 | Required Other OMB-Approved Permit |
Hunting |
| Route 2 South | !Special regs | 714 | Required Other OMB-Approved Permit |
Hunting |
| Sheridan Rd. | !Special regs | 142 | Required Other OMB-Approved Permit |
Hunting |
| Still River Depot Area | !Special regs | 126 | Required Other OMB-Approved Permit |
Hunting |
| Closed | ✕Closed | 24 | Required Other OMB-Approved Permit |
Hunting |
Required
Hunting
Type: Other OMB-Approved Permit
How to get it:
Fishing is allowed on the Nashua River and along its banks within the refuge. Fishing is not permitted in refuge wetland pools, ponds or streams. State fishing regulations and license requirements are in force on the refuge.
State fishing licenses and regulations apply. Some waters close seasonally to protect wildlife.
Destination: Oxbow National Wildlife Refuge (FWS reference point)
42.51030, -71.6223442°30′37.1″N 71°37′20.4″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 New York local time.
Full season calculator →| Date | Shooting light | Sunrise | Sunset | Daylight |
|---|---|---|---|---|
| Tue, Sep 1, 2026 | 5:40 AM | 6:10 AM | 7:23 PM | 13h 13m |
| Tue, Sep 15, 2026 | 5:55 AM | 6:25 AM | 6:58 PM | 12h 34m |
| Thu, Oct 1, 2026 | 6:12 AM | 6:42 AM | 6:30 PM | 11h 48m |
| Thu, Oct 15, 2026 | 6:27 AM | 6:57 AM | 6:06 PM | 11h 08m |
| Sun, Nov 1, 2026 | 5:48 AM | 6:18 AM | 4:41 PM | 10h 22m |
| Sun, Nov 15, 2026 | 6:06 AM | 6:36 AM | 4:25 PM | 9h 49m |
| Tue, Dec 1, 2026 | 6:26 AM | 6:56 AM | 4:15 PM | 9h 19m |
| Tue, Dec 15, 2026 | 6:38 AM | 7:08 AM | 4:14 PM | 9h 05m |
| Fri, Jan 1, 2027 | 6:45 AM | 7:15 AM | 4:22 PM | 9h 07m |
| Fri, Jan 15, 2027 | 6:43 AM | 7:13 AM | 4:36 PM | 9h 23m |
| Mon, Feb 1, 2027 | 6:31 AM | 7:01 AM | 4:58 PM | 9h 57m |
Computed for 42.510, -71.622 (EDT / 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.
Yes. Oxbow National Wildlife Refuge offers hunting in 6 units (1,672 acres) during 2026–2027 for big game, waterfowl, wild turkey, upland birds, migratory birds, and small game. Seasons follow state regulations plus refuge-specific rules in 50 CFR Part 32.
Yes — Oxbow National Wildlife Refuge requires a refuge permit for some or all hunting. Permit type: Other OMB-Approved Permit. Permits can be obtained online (e.g. recreation.gov). You also need the appropriate state hunting license and, for waterfowl, a Federal Duck Stamp.
Yes. Fishing is permitted (freshwater fishing). State fishing licenses and regulations apply along with refuge rules.
Oxbow National Wildlife Refuge is in Worcester County, Massachusetts, about 20 miles NE of Worcester, MA (straight-line). GPS: 42.51030, -71.62234.
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.
Middlesex County, MA · 10 mi SE
2.3K huntable acres
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Data: USFWS National Hunt Units 2026–2027, Hunting & Fishing Opportunities, Realty Boundaries & Tracts. Page updated September 29, 2026.