Hidden Lake, CT


Hidden Lake

Town(s): Haddam CT
County: Middlesex

Size: 40 acres
Average Depth: 8 feet
Maximum Depth: 12 feet

Boating Allowed: Kayaks, Canoes, Sail Boats, Gas Engines Prohibited
Boating Comments: Electric boats and gas boats are both prohibited
Swimming: Swimming Allowed, No Restrictions

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The lake is fed by a stream from the north and several springs in the lake bed. The lake is dammed at the south side and feeds into the cranberry bogs in Killingworth, Connecticut. The 40-acre Hidden Lake includes a North Cove, South Cove, West Cove, and Mill Bay. Lake fishing for bass and pickerel in a catch and release program is allowed. Ducks, osprey, Canadian geese, buffleheads, mergansers, and an occasional loon are seen on the lake. The lake depth ranges from three to eight feet.

The Board monitors the water quality of Hidden Lake during the summer months; water samples are submitted to the State of Connecticut Labs on a regular basis. In 2009, the Board began a program to monitor and control the lake vegetation and improve conditions for swimming, fishing, and boating. Motor boats are prohibited on the lake. It is part of the Connecticut Water Trails

In 1937, the Hidden Lake Association was incorporated. Its mission was to “provide for the improvements of the land in said territory and for the health, comfort, protection, and convenience of the inhabitants." Lewis deeded all the village streets, beaches, and the lake itself to the organization.

Original deeds noted that village residents had the right to use the lake for boating, bathing, fishing, and recreational purposes. The Association also set strict building regulations in terms of cottage locations, roofs, and siding materials. Association dues were originally $5 for a house and $2 for a lot annually. The village had no electricity until 1939-40. Prior to then, many homes used car storage batteries that were charged by car generators or wind chargers.


Water Quality: No Known Issues
Vegetation Growth: Moderate
Non-native Species:

Fish Species: Largemouth Bass, Smallmouth Bass, Chain Pickerel, Black Crappie, Yellow Perch, Channel Catfish, Brown Bullhead, Sunfish, Bridle Shiner

Boat Access: Primarily Car-top boats & Canoes
Parking Spaces: None

Shoreline Development: 25-50%