Home / Connecticut lakes / Lake Lillinonah
Hydropower reservoir

Lake Lillinonah

Fairfield, Litchfield & New Haven Counties, Connecticut

Lake Lillinonah is a Housatonic River impoundment bordered by Brookfield, Bridgewater, Newtown, New Milford, Roxbury, and Southbury. It is the state's deepest man-made lake and is known for strong bass numbers and big carp.

N2 mi
Air temp in Bridgewater, CT Loading current temperature…
Map data © OpenStreetMap contributors.
Surface area1,900 acres
Max depth110 ft
Shoreline45 mi
Boat motorsCheck local rules

Species

Fishery rating out of 5.

Smallmouth Bass●●●●○

Rock, gravel and points. Tubes, jerkbaits and drop-shots.

Largemouth Bass●●●●○

Weeds, docks and wood in the shallows.

Northern Pike●●●○○

Weed edges and bays. Spoons, spinnerbaits and tip-ups through the ice.

Yellow Perch●●●○○

Schools on mud and sand flats. Great through the ice.

Bluegill●●○○○

Weed beds and shallow flats in late spring.

When they bite

Month-by-month activity for each target species.

JFMAMJJASOND
Smallmouth Bass
Largemouth Bass
Northern Pike
Yellow Perch
SlowFairGoodHot

Boat launches

3 launch sites. Fees and hours change, so confirm before you go.

  • Pond Brook Boat LaunchPublic
    CT DEEP launch at 158 Hanover Rd, Newtown; dirt ramp, 60 carsDirections ↗
  • Lake Lillinonah Boat Launch (Bridgewater)Public
    CT DEEP launch at 199 Main St South, Bridgewater; concrete ramp, 50 carsDirections ↗
  • More public accessPublic
    See Connecticut DEEP or the lake manager's website for all ramps and feesDirections ↗

Size & creel limits

Special rules for this lake, confirmed from official state regulations. Minimum size and daily limit.

SpeciesMin sizeDaily limit
Northern Pike
Pike and tiger muskie combined 1 / day (DEEP guide); lake not listed on DEEP lake/pond page, other species statewide
38 in1 / day

Other species in this lake: look up the limits at Connecticut Department of Energy and Environmental Protection (DEEP) ↗

Verified October 2026. Rules change, so confirm current limits with the Connecticut Department of Energy and Environmental Protection (DEEP) before you fish.

Bait & tackle nearby

Closest shops to the lake and its boat launches. Call ahead for live bait and hours.

Search more bait shops near Lake Lillinonah ↗

Local tips

Angler reports

Water temp, what's biting, and anything else other anglers should know about Lake Lillinonah.

Loading reports...

View on interactive map

Zoom and pan on a street, satellite or terrain map. Red pins are boat launches; blue pins are bait shops nearby.