A canoe at the the canoe launch off of Weir Hill Trail, with the Sudbury River in the backgorund.

Nonmotorized boating is allowed on the Sudbury River in the Sudbury Unit of the refuge. There is a canoe/kayak launch on Weir Hill Trail. There is a canoe/kayak launch off Route 225 in Carlisle for Concord River access. Please remember to clean, drain, and dry your watercraft after and before utilizing multiple waterways to help the limit the spread of invasive species invasive species
An invasive species is any plant or animal that has spread or been introduced into a new area where they are, or could, cause harm to the environment, economy, or human, animal, or plant health. Their unwelcome presence can destroy ecosystems and cost millions of dollars.

Learn more about invasive species