78 mile easy keystone section between Techumsa, MO and Lake Norfork dam, AR. Some sections are under construction. The trail is on Corp of Engineer property around Norfork Lake. You can float the Lake Norfork to bypass the this uncompleted section. The trail spans the border between Missouri and Arkansas. The trail is blazed with Keystone but yet others have named the trail the Trans - Ozark Trail. The trail was known as David's trail.