Merrymeeting Marsh Wildlife Management Area in New Durham, New Hampshire can be easily accessed from NH Route 11 in New Durham. This 722 acre wetland was formed by the construction of two dams one in New Durham and one in Alton, New Hampshire. Merrymeeting River and Coffin Brook provide the water for the marshland. The marsh has a warm water fishery, many birds as well as moose, black bear, deer, beaver and other mammals. There is a parking area with a boat launch for canoes and kayaks.