Lowest and Highest Points in Warren County

Lowest and Highest Points in Warren County
Low Elevation: 
<570 feet above mean sea level
Low Place: 
Cedar Creek
Low Quad Name: 
Avon
Low PLSS: 
4-1-8N-1W
Low Geology: 
Cahokia Alluvium, river valley
High Elevation: 
>810 feet above mean sea level
High Place: 
unnamed hilltop
High Quad Name: 
Roseville
High PLSS: 
4-35-8N-3W
High Geology: 
Kellerville till uplands
Area: 
538.32 square miles
Total Relief: 
240 feet
Percent Slope: 
0.96%