Lowest and Highest Points in Washington County

Washington County map key
Low elevation: <385 feet above mean sea level
      Place: Kaskaskia River
      7.5' quadrangle name: Venedy
      PLSS: 3-30-1S-5W
      Geology: Cahokia Alluvium in river valley

High elevation: ~583 feet above mean sea level
      Place: Unnamed hilltop
      7.5' quadrangle name: Oakdale
      PLSS: 3-16-3S-4W
      Geology: Hagarstown ridge

Area: 557.82 square miles
      Total relief (approximate): 198 feet
      Average percent slope: 0.71%



High/Low Home


Updated 05/27/2011 SLD

ILLINOIS STATE GEOLOGICAL SURVEY
615 E. Peabody
Champaign, IL 61820
217-333-4747
info@isgs.illinois.edu

Terms of use         Privacy Statement

© 2012 University of Illinois Board of Trustees. All rights reserved.
For permissions information, contact the Illinois State Geological Survey.