Lowest and Highest Points in Pike County
Low elevation:
<425 feet above mean
sea level
Place: Illinois River
7.5' quadrangle name: Pearl East
PLSS: 4-34-7S-2W
Geology: Cahokia Alluvium in
river valley
High elevation: >880 feet above mean
sea level
Place: South edge of the town of
Baylis
7.5' quadrangle name: Baylis
PLSS: 4-18-4S-4W
Geology: Cretaceous ridge
Area: 837.40 square miles
Total relief (approximate):
455 feet
Average percent slope: 1.90%
sea level
Place: Illinois River
7.5' quadrangle name: Pearl East
PLSS: 4-34-7S-2W
Geology: Cahokia Alluvium in
river valley
High elevation: >880 feet above mean
sea level
Place: South edge of the town of
Baylis
7.5' quadrangle name: Baylis
PLSS: 4-18-4S-4W
Geology: Cretaceous ridge
Area: 837.40 square miles
Total relief (approximate):
455 feet
Average percent slope: 1.90%
Updated 05/27/2011 SLD