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  • America the Beautiful Passes Smaller

    Nat'l Park Passes No Longer Sold at VC

    National Park Passes can be purchased Mon-Fri 8am - 4pm at our administrative offices: 73 Weir Hill Rd. Sudbury MA

  • Ekip rotator size

    Every Kid in the Park

    The "Every Kid in a Park" initiative provides all fourth graders and their families free admission to their public lands.

    Every Kid in the Park FAQs

  • Lowell Students Raise Turtles

    Read about how elementary students in Lowell are helping the refuge raise threatened Blanding's turtles.

    Read the story on the blog

Upcoming Events

Upcoming Events

Volunteer pulling invasives - USFWS.

There are events year-round for the whole family at Assabet River National Wildlife Refuge and the rest of the refuges in the Eastern Massachusetts complex. Check out our events calendar to find one near you!

Events Calendar

About the Complex

Eastern Massachusetts National Wildlife Refuge Complex

The complex is comprised of eight refuges.

Assabet River is managed as part of the Eastern Massachusetts National Wildlife Refuge Complex.

Learn more about the complex 

About the NWRS

National Wildlife Refuge System


The National Wildlife Refuge System, within the U.S. Fish and Wildlife Service, manages a national network of lands and waters set aside to conserve America’s fish, wildlife, and plants.

Learn more about the NWRS  

Follow NWRS Online


Around the Refuge

  • Join us for Riverfest 2017!


    Events will be held at Great Meadows NWR Headquarters at 73 Weir Hill Road in Sudbury on Saturday June 17 from 10:00 - 2:00. Please visit the Riverfest website at for more information.

  • Walking Tours of Maynard

    Trail on the refuge - USFWS.

    Produced by the Maynard Historical Commission and made available through a grant from the Maynard Cultural Council, five walking tours of Maynard can be found on the Town of Maynard website. One of these tours is located at Assabet National Wildlife Refuge.

    Walking Tours
  • Visitor Activities

    Environmental education on the refuge - USFWS.

    There are a variety of activities at Assabet River National Wildlife Refuge including wildlife viewing, photography, hunting, fishing, environmental education and interpretation. Check out our Visitor Activities page to learn more.

    Visitor Activities
  • Come Visit Us!

    Refuge open daily: Sunrise to Sunset ---- Visitor Center open Sat-Sun: 10am to 4pm ---- Phone: (978) 562-3527 --- 680 Hudson Road, Sudbury MA 01776

Page Photo Credits — All photos courtesy of USFWS unless otherwise noted.
Last Updated: May 26, 2017
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