The natural region called Crowley's Ridge lies within the region known as the Mississippi Alluvial Plain.  It is a narrow strip of land that lies 150 to 200 miles from the Missouri state line down to Helena, Arkansas which is near Memphis, Tennessee.
This strip of land  was formed by nature some 50 million years ago. The soil on the Ridge is called “loess” and is a windblown deposit, created by glacial rock grinding during the Great Ice Age, and carried downstream by glacial melt water. Because this type of loess soil is extremely vulnerable to erosion, steep sided ravines and bluffs can form, as they have formed on the ridge. Unlike the Ozarks, which have a foundation of solid bedrock, Crowley's Ridge's foundation is made up of clay, sands, and gravel, some areas forming a fine sandy soil sixty feet deep! Some call Crowley's Ridge the largest sand bar between two rivers that nature ever created.

If you would like to find more information on this area of Arkansas click on Crowley's' Ridge.
 

We will continue our journey to Crowley's Ridge State Park. From Jonesboro, travel 15 miles north on Hwy. 141 to Walcott.
From there follow the signs to the park.