State and community geography
State land area: 8,257 square miles (ranking 45th of the 50 states)

Largest body of water: Quabbin Reservoir (39 square miles)

Longest river: Charles River (80 miles)

Highest elevation: Mount Greylock (3,491 feet)

Lowest elevation: Atlantic Ocean (sea level)

Shoreline: 192 miles (not including islands)

Five largest communities (in square miles):

• Plymouth: 97.57

• Middleborough: 69.98

• Dartmouth: 60.91

• Barnstable: 60.17

• Petersham: 54.27

Five smallest communities (in square miles)

• Nahant: 1.04

• Winthrop: 1.56

• Chelsea: 1.86

• Hull: 2.43

• Swampscott: 3.08

Average community land area: 22.33 square miles

Counties: 14

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