The Knobstone Escarpment is a rugged geologic region in

Southern Indiana Southern Indiana is a geographic and cultural region that generally comprises the southern third of the U.S. state of Indiana and borders the states of Illinois to the west, Kentucky to the south, and Ohio to the east. Spanning the state's southe ...

. Physically, the Knobstone Escarpment is the most rugged terrain in

Indiana Indiana ( ) is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. It borders Lake Michigan to the northwest, Michigan to the north and northeast, Ohio to the east, the Ohio River and Kentucky to the s ...

. The highest hill in the area is

Weed Patch Hill Weed Patch Hill, also known as Weed Patch Knob (), is the third highest named summit in the U.S. state of Indiana. Located in Washington Township and Brown County State Park, it is the highest point in the Knobstone Escarpment. In Indiana, o ...

, with an

elevation The elevation of a geographic location (geography), ''location'' is its height above or below a fixed reference point, most commonly a reference geoid, a mathematical model of the Earth's sea level as an equipotential gravitational equipotenti ...

of 1,060 feet above sea level. The escarpment's most prominent feature is its steep hills, often called "knobs", and ravines.

Brown County State Park Brown County State Park is located in the United States in the center of the southern half of the state of Indiana. The park is by far the largest of 24 state parks in Indiana, and occupies —making it one of the larger state parks in the Uni ...

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. The Hills of Brown County are a well-known example of Norman Upland topography.Our Hoosier State beneath us; Indiana Geological Survey, Department of Natural Resources; Indianapolis, IN The Knobstone Escarpment is composed of resistant siltstones of the upper part of Borden Group rocks. Older and more easily eroded shales to the east form the Scottsburg Lowland; a thick section of soluble limestones form the undulating Mitchell Plain west of the Norman Upland.

References

Escarpments of the United States Landforms of Indiana Landforms of Brown County, Indiana Geography of Indiana {{LouisvilleMSA-stub

See also

References