Matt & Kim Arkansas Family Travel on Instagram: "Save this post for where to see waterfalls in Arkansas...Start your waterfall loop in Clarksville, AR & end in Russelville, Ar. Here’s everything you need to know about the best waterfalls on the drive... Long Pool Falls Nfr 1804, Dover, AR Long Pool Falls is a beautiful waterfall located in the Ozark National Forest at the Longpool Recreation Area. The hike to the falls is approximately 1.6 miles roundtrip and is considered moderately strenuous.