The Saint Francis River is a tributary of the Mississippi River, about 426 miles (686 km) long, in southeastern Missouri and northeastern Arkansas. Floatable from Fredricktown to HWY67 Bridge. The upper river experienced kayakers only. Float the river in canoes and kayaks below Hwy E access with good water. Floatable below Sam A. State Park year round. The Wappapello Lake segment is a self outfitted float