The U.S. Army Corps of Engineers welcomes you to Hancock Brook Lake and Dam located in the town of Plymouth, Connecticut. Hancock Brook Lake is primarily a flood control reservoir with some water-based recreational activities. There is no developed recreational area at Hancock.

The land and water resources of Hancock Brook Lake are valuable recreational and open space resources for the heavily populated and industrialized surrounding towns. Recreational opportunities at Hancock Brook Lake include hunting, fishing, canoeing, sightseeing, limited hiking and horseback riding.

The state of Connecticut stocks the project with fish and game. Hunting of upland game and waterfowl is permitted with shotguns only within State and Federal regulations. Fishing is allowed on all project waters subject to State regulations. Trapping is allowed under State permit. Enforcement of fish and wildlife laws is accomplished by the conservation officers of the Department of Environmental Protection.

For the advantageous and outdoor type the Mattack Trail, a major hiking trail in western Connecticut, passes through the project area as well.