St. Louis, MO
Navigating the Byway:
The byway begins on MO 79 at the Ralls-Pike county line 15 miles south of Hannibal.
##Ralls-Pike County Line to Clarksville (29 miles)
* From the beginning of the byway, follow MO 79 to the town of Louisiana.
* Once in Louisiana, turn east (left) onto US 54, then south (right) onto MO 79/ 3rd St.
* Continue on MO 79 into Clarksville, where the Missouri section of the Great River Road ends at the intersection of MO 79 and Howard St.