A roughly 1,667-acre national wildlife refuge along nearly 8 miles of the Nashua River, spanning Ayer, Shirley, Harvard, and Lancaster, with floodplain forest, wetlands, and oxbow ponds.
What to expect
Trails
About 5 miles of trails along the riverbank, oxbow ponds, wetland, and forest, with very little elevation gain; a 2-mile self-guided nature trail loop starts…
Dogs
Pets are not allowed on the refuge; only trained service animals under direct control are permitted
Accessibility
Handicap-accessible ramp from the Bill Ashe parking area to the canoe dock, and an accessible trail connecting to the education building
Non-Motorized Boating
Allowed year-round, ice conditions permitting
Fishing
Allowed subject to state seasons and refuge regulations
Managed by
Eastern Massachusetts NWR Complex
978-443-4661 · WebsiteWhat's here
On site
Restroom
Bill Ashe Visitor Facility
Info kiosk
trail kiosks with maps at trailheads
Restrooms
at the Bill Ashe Visitor Facility
Not here
No drinking water
no potable water reported along trails
Common questions
Is Oxbow National Wildlife Refuge open today?
Oxbow National Wildlife Refuge is a public preserve in Ayer, MA. Posted hours: Sunrise to sunset.
Can I bring my dog on the trails?
No. The refuge does not allow pets, including on leash, because they disturb wildlife; only trained service animals are exempt.
Yes, deer, turkey, and black bear hunting happen during state seasons, with the fall shotgun deer season drawing the most hunters. Rifles and handguns are not permitted.
Is there an entry fee at Oxbow National Wildlife Refuge?
No, entry is free.
Can I bring my dog to Oxbow National Wildlife Refuge?
Pets are not allowed on the refuge; only trained service animals under direct control are permitted
Is Oxbow National Wildlife Refuge wheelchair accessible?
Handicap-accessible ramp from the Bill Ashe parking area to the canoe dock, and an accessible trail connecting to the education building
What rules should I know at Oxbow National Wildlife Refuge?
Visitors should expect active hunting in season, including the fall shotgun deer season, the busiest hunting period. No pets, except trained service animals. No rifles or handguns, even during hunting season.