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Connecticut Geography

The jagged, and rocky Atlantic Ocean coastline of Connecticut is a remnant of the last Ice Age. It's a mixture of bays, inlets, tiny islands, river estuaries, and a few sandy beaches.

From the narrow coastal lowlands the land rises into the central hills and low mountains of the north.

Eastern Connecticut (central and north) is hilly, heavily forested, and crisscrossed by narrow river valleys.

In the west, the Appalachian Mountains stretch north across the state on into western Massachusetts. The Berkshire (hills or mountains) and the narrow Taconic Mountain Range are the dominant landforms. Mt. Frissell, is the state's highest point, at 2,380 ft.

The state is dissected by the Connecticut River and the surrounding central valley. At 407 miles (655 km), it's the longest river in the New England states.

There are dozens of additional rivers within Connecticut. The Housatonic, Farmington and Thames are the most significant.

Numerous small lakes and ponds are found in Connecticut, with the largest being Lake Candlewood, one of the largest man-made lakes in the USA.

For a closer look at the topography of Connecticut, view this Landforms of America

  • Landforms of North America
  • Rivers of North America
  • Connecticut Photographs


    The Appalachian Mountains

    Connecticut Cities, Counties & Area Codes

    City County Area Code
    Stamford Fairfield 203
    Bridgeport Fairfield 203
    Hartford Hartford 860
    Torrington Litchfield 860
    Middletown Middlesex 860
    Waterbury New Haven 203
    New Haven New Haven 203
    Norwich New London 860
    Vernon Rockville Tolland 860
    Willimantic Windham 860
    This page was last updated on April 7, 2017.