About Wellfleet Bay

View out to ocean at WB © Lauren Fenn
© Lauren Fenn

Members Visit for Free

Wellfleet Bay provides peace and unmatched beauty on the hillsides and shoreline overlooking Wellfleet Harbor. Extensive trails bring you to a panoramic salt marsh, sandy barrier beach, and pine woodlands, each attracting a wide array of wildlife.

The sanctuary features a universally accessible trail and an award-winning "green" Nature Center with numerous exhibits and aquariums.


291 State Highway, Route 6, South Wellfleet, MA 02663
Get directions or contact us >

Mailing Address
P.O. Box 236, South Wellfleet, MA 02663


Nature Center

Open Tuesday through Sunday, 9:00 am-4:00 pm.
Restrooms are available in the Nature Center (face masks required indoors)


Open every day, dawn to dusk

→ For your safety and to avoid conflicts with wildlife, please follow our sanctuary guidelines during your visit.


Members: Free
Nonmembers: $8 Adults, $5 Seniors (65+), $3 Children (2-12), Free for children under 2

As a way to increase access to nature, Mass Audubon also offers several free admission programs at our wildlife sanctuaries.


  • Parking
  • Universally Accessible Nature Center
  • Universally Accessible Restrooms
  • Universally Accessible Trail
  • Picnic Area
  • Camping (members-only)
  • Electric Vehicle Charging Station



Trail Mileage

5 miles (0.5 miles universally accessible) 
Details & map >

Sanctuary Highlights

  • Fiddler crabs scurrying in the salt marsh and Green Herons fishing in Goose Pond.
  • Hands-on activities during marine cruises in Cape Cod Bay.
  • Summer day camp programs designed to promote curiosity about the natural world.
  • Year-round programs for all ages based on research and conservation projects focusing on threatened shorebirds, terrapins, horseshoe crabs, and sea turtles.
  • Family camping at our members-only campground for exploration and enjoyment of the natural world. 
  • Cape Cod Field School with courses for adults that focus on the area's unique coastal environment and wildlife.