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Connecticut Water Trails
Program
Connecticut
Water Trails
Fairfield County
Ridgefield
Mamanasco Lake
Site Location:
Mamanasco
Road, Ridgefield, Connecticut
Basic Information:
Lake Mamanasco is located in the Town of Ridgefield, Fairfield County,
Connecticut. It is 4,750 feet long, 1,500 feet wide, and has an
approximate area of 96 acres. The deepest part of the lake, located in
its central basin, is 10 feet, and it has an average depth of 5 to 6
feet. It is maintained by water from tributary flows, direct
precipitation, stormwater inputs, and groundwater seepage.
The lake is the center of many recreational activities including
swimming, fishing, sailing and ice fishing. The major beach located on
the western shoreline is a private beach operated by the Mamanasco Beach
Club. The most prolific game fish is largemouth bass. Boats may access
the lake from the state owned boat launch located on the southwestern
end of the lake. Gasoline motors are prohibited on Lake Mamanasco, so
boating is primarily by rowboats, canoes, or boats with electric motors
or sails. Snowmobiles and jet skis are also prohibited.
Type:
Lake
Water Type:
Fresh
Season:
Site Contact Information:
Site Coordinates:
Longitude 73.52628300000001 ºW Latitude
41.318562 ºN
Location Map:
USGS Quadrangle: Peach Lake
Driving Directions:
Route 116, turn south onto Mamanasco Road,
launch is on the left.
Directions Map:
Google Map
Mamanasco Lake
Boat Launch Information:
Mamanasco Lake Boat Launch
ADA Access:
Site Description:
Environment:
Additional Info:
Site History:
Originally the lake was about 1/3rd its current size, but two impounding
structures dating back to 1716 have increased it to its present surface
area. Since that time, there has been a progression of dam and mill
structures occupying the original outlet site. The final mill to have
utilized Mamanasco Lake was a paper mill erected in the 19th century,
whose abandoned works can still be seen today off of Pond Road.
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