Lowest and Highest Points in Kankakee County
Low elevation: <550 feet above mean sea level
Place: Kankakee River
7.5' quadrangle name: Bonfield
PLSS: 3-31-32N-11E
Geology: Equality Formation, Dolton Member, lakeshore deposits in river valley
High elevation: >740 feet above mean sea level
Place: unnamed hilltop
7.5' quadrangle name: Beecher East
PLSS: 3-2-32N-14E
Geology: West Chicago Moraine
Area: 674.62 square miles
Total relief (approximate): 190 feet
Average percent slope: 0.55%
Updated 9/30/2009 JKH