The escarpment's most prominent feature is its steep hills, often called "knobs", and ravines.
Brown County State Park features views from the region's highest elevations.
This bold ridge, towering hundreds of feet above the Scottsburg Lowland to the east, extends from southern Johnson County 150 miles southward across the Ohio River into Kentucky.
These scenic hills mark the easternmost extension of rocks forming the rugged country of the Norman Upland to the west.
[1] The Knobstone Escarpment is composed of resistant siltstones of the upper part of Borden Group rocks.