Average annual precipitation ranges from 38 inches in the south to 32 inches in the north. Very few lakes except for the kettle lakes in Sub-subsection VI.3.1. Large streams crossing the subsection include the Galien, St. Joseph, Kalamazoo, Grand, and Muskegon Rivers, all flowing into Lake Michigan.
Soil textures range from sands to clays.
Most of the subsection was forested.