Krutynia. The Kurtynia is one of the most famous waterways, repeatedly referred to the "most beautiful canoe trail in Europe". Current of the river, with numerous bends, is actually slow. Width of the river reaches 30–40 meters and depth is from 1,5-2,5 to 3–7 meters. The Krutynia flows through the landscape-water-forest reserve, in two municipalities terrain: Mikołajki and Ruciane-Nida.