• Refuge Readers - A Book Discussion Group

    January 17, 2pm - 3:30pm. A discussion of Dark Tide: The Great Boston Molasses Flood of 1919, by Stephen Puleo.

    Friends of Great Swamp Calendar

  • We have new phone numbers!

    Please click on the link below to view our new contact numbers.

    Great Swamp Staff Contacts

  • Thursday Winter Walks 10:30am

    Join Friends President Steve Herdman every Thursday at 10:30 a.m. for a brisk walk on Pleasant Plains Road.

    Friends of Great Swamp Calendar

Important Things to Know

America the Beautiful Park Passes

Interagency Park Passes may be purchased here at Great Swamp by appointment. Please contact Visitor Services Manager Jonathan Rosenberg at 973-425-0215 x 115.

Visitor Activities

Visitor Activities Promo

There are a wide variety of visitor activities available at Great Swamp National Wildlife Refuge including wildlife viewing, photography, environmental education and hunting.

Learn more...
What's Happening

Helen C. Fenske Visitor Center Open 7 Days a week!


Stop by the Visitor Center any day from 10AM to 4PM. Effective 1/1/17, the Refuge no longer sells Senior & Annual inter-agency passes.

Learn about Friends of Great Swamp NWR

About the Complex

Lenape Refuge Complex

Great Swamp National Wildlife Refuge is managed as part of the Lenape Refuge Complex.

Read 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