The property contains concrete bunkers left over from its time as a military ammunition storage site.
The refuge encompasses a variety of habitats including red maple swamps and oak-hickory forests.
Blanding's turtles, a species of special concern in Massachusetts, utilize the refuge for nesting.
The refuge was officially established in 2000 as part of the closure and conversion of Fort Devens.
Approximately 15 miles of trails allow for year-round wildlife observation and hiking.
The site acts as a key component of the Great Meadows National Wildlife Refuge Complex.
The Assabet River National Wildlife Refuge is a 2,230-acre protected area managed by the U.S. Fish and Wildlife Service, located on land formerly belonging to the U.S. Army's Fort Devens Sudbury Training Annex. The refuge features 15 miles of trails traversing wetlands, vernal pools, and hardwood forests. It provides critical habitat for the state-endangered Blanding's turtle and various migratory songbirds. Visitors can access diverse ecosystems, including shrublands and meadows created by historical agricultural use and military activities. The site serves as a vital corridor for wildlife movement within the Assabet River watershed. Facilities include a visitor center and a designated auto-tour route during specific seasons.
The boardwalk observation deck overlooking the wetlands near the visitor center.
Bring insect repellent, as ticks and mosquitoes are highly prevalent in the wetlands.
Check the official website for seasonal trail closures due to bird nesting or controlled burns.
Download trail maps offline as cellular service can be unreliable in deeper sections of the refuge.
Do not enter areas marked as closed or restricted, which are often active restoration sites or hazardous former military zones.
The visitor center is closed on weekends and federal holidays.
Stay on marked trails to protect sensitive habitat, pack out all trash, and keep dogs leashed at all times.