The Sudbury and Assabet Rivers Wildlife Refuge is a protected natural area offering scenic river landscapes, diverse habitats, and accessible trails for wildlife observation and outdoor recreation in eastern Massachusetts.
The Sudbury and Assabet Rivers Wildlife Refuge spans over 3,100 acres along the Sudbury and Assabet Rivers in eastern Massachusetts, covering sections within Concord, Sudbury, Maynard, and Stow. The refuge preserves and restores critical freshwater wetlands, forests, meadows, and riparian habitats that support abundant wildlife, including migratory birds, amphibians, and several rare species. It is managed primarily by the Massachusetts Audubon Society’s Drumlin Farm Wildlife Sanctuary. The refuge’s geography features winding river corridors, oxbow lakes, swampy areas, and upland forests, providing a variety of ecosystems in a relatively compact area. Historically, the lands were shaped by Native American uses, colonial farming, and once included areas altered or impacted by urban development. Presently, restoration efforts focus on habitat improvement and invasive species control to enhance biodiversity. Recreation opportunities include hiking, birdwatching, paddling along the rivers, and educational programs that highlight the refuge’s ecological importance. The network of trails ranges from easy, flat riverbank paths to slightly more challenging forested walks. Notable landmarks include the historic Fay Farm and the Abrams Prairie area, which offers open meadow habitat sought by many bird species. Its location near several towns makes the refuge a popular day-use site for nature enthusiasts, families, and schools seeking outdoor learning experiences. Visitors can enjoy seasonal variations, with spring and fall migrations being especially rewarding for birdwatchers. The Sudbury and Assabet Rivers Wildlife Refuge serves as a vital green space in an increasingly suburban landscape, balancing conservation with public access.
Abrams Prairie – expansive meadow attracting grassland birds and pollinators
Historic Fay Farm – preserved agricultural buildings surrounded by riparian habitat
Sudbury and Assabet Rivers – gentle river corridors ideal for paddling and wildlife viewing
Old railroad bed trail – a flat, accessible path tracing historical transportation routes
A large open meadow within the refuge that supports grassland birds, butterflies, and pollinators.
These calm, scenic rivers provide critical aquatic habitat and are popular for canoeing and kayaking.
Preserved 19th-century farm buildings surrounded by conserved land that reflects the area's agricultural past.