IV. It is today as Lewis saw it. The White Cliffs can be seen only from small boat or canoe. Put in at Fort Benton and take out three or four days later at Judith Landing. Missouri River Outfitters at Fort Benton, Montana, rents canoes or provides a guided tour by pontoon boat. Of all the historic and/or scenic sights we have visited in the world, this is number one. We have made the trip ten times.