Public access is limited to an Observation Center, blinds, one mile of trails, and interpretive displays. The Great Swamp is located roughly seven miles south of Morristown. Supawna has grown in size to 2,500 acres, most of which is tidal marsh. This Refuge does not currently have accessible trails. However, Finns Point Rear Range Lighthouse is listed in the National Register of Historic Places, and is open to the public on the 3rd Sunday of every month from April through October.
Guides are on site to answer questions when the lighthouse is open.
Supawna lies in Salem County, to the north of the Salem River, a tributary of the Delaware River. This is an important location for overwintering waterfowl as well. Deer hunting and limited waterfowl hunting is permitted in season. Cape May peninsula at the southernmost point in New Jersey is a perfect location for a Wildlife Refuge. The Cape May Refuge is a critical habitat area in the Atlantic Flyway, a migratory route used by hundreds of thousands of birds each year.