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Berwyn, Cook County, Illinois, 60402, United States (41.85059 -87.79367)

About this map

Name: Berwyn topographic map, elevation, relief.
Coordinates: 41.82115 -87.80420 41.86539 -87.77780
Minimum elevation: 176 m
Maximum elevation: 205 m
Average elevation: 189 m


According to the 2010 census, Berwyn has a total area of 3.91 square miles (10.13 km2), all land. Bordering suburbs include Oak Park to the north, Cicero to the east, Stickney to the south, and Lyons, Riverside, North Riverside, and Forest Park to the west. Geologically, Berwyn is predominately composed of Glacial Lake Bottom from the Wisconsin Glacial Episode, the most recent glacial period. A beach ridge of sand and gravel, made during one of the stages of Lake Chicago, is also present in the city. This is most easily identified as Riverside Drive. The elevation change due to the ridge is clearly seen on the 2800 block of Maple Ave. Prior to the settlement of Berwyn, the land was grassy marshland. The body of water that connected the South Branch of the Chicago River to the Des Plaines River was a shallow waterway or a muddy slough (depending on the season) known as Mud Lake. Mud Lake extended nearly to the southern border of today's Berwyn, and the southern end of Berwyn flooded regularly during heavy rains in its early years.

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