Suffolk County topographic maps

Boston has an area of 89.63 sq mi (232.1 km2)—48.4 sq mi (125.4 km2) (54%) of land and41.2 sq mi (106.7 km2) (46%) of water. The city's official elevation, as measured at Logan International Airport, is 19 ft (5.8 m) above sea level. The highest point in Boston is Bellevue Hill at 330 ft (100 m) above sea…

Average elevation: 26 m

Average elevation: 15 m

Average elevation: 8 m

Average elevation: 1 m

Average elevation: 10 m

Average elevation: 19 m

Average elevation: 1 m

Average elevation: 17 m

Average elevation: 35 m

The topography of Chelsea consists primarily of coastal lowlands, punctuated by four drumlins formed during the last Ice Age. These drumlins are located in the southwest (Admirals Hill), southeast (Mount Bellingham), northeast (Powderhorn Hill) and northwest (Mount Washington). A smaller drumlin (Mill Hill) is…

Average elevation: 13 m

Average elevation: 5 m

Average elevation: 6 m

Average elevation: 42 m

Average elevation: 9 m

Average elevation: 51 m

Average elevation: 6 m

Boston has an area of 89.63 sq mi (232.1 km2). Of this area, 48.4 sq mi (125.4 km2), or 54%, of it is land and 41.2 sq mi (106.7 km2), or 46%, of it is water. The city's official elevation, as measured at Logan International Airport, is 19 ft (5.8 m) above sea level. The highest point in Boston is Bellevue…

Average elevation: 25 m

Average elevation: 11 m

Average elevation: 30 m

Average elevation: 11 m