Lowest and Highest Points in St. Clair County


St. Clair County map key
Low elevation: <360 feet above mean sea level
      Place: Kaskaskia River
      7.5' quadrangle name: Red Bud
      PLSS: 3-32-3S-7W
      Geology: Cahokia Alluvium in river valley

High elevation: >700 feet above mean sea level
      Place: Unnamed hilltop
      7.5' quadrangle name: Columbia
      PLSS: 3-13-1S-10W
      Geology: Vandalia till uplands over Mississippian
            Upper Valmeyeran


Area: 666.66 square miles
      Total relief (approximate): 340 feet
      Average percent slope: 0.99%



High/Low Home


Updated 05/27/2011 SLD

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