Near Morskoe village, this photogenic 2.8km hiking trail has boardwalks stretching from one side of the spit to the other, climaxing at the 40m-high Big Dune Ridge (Коса Большая Дюна). Along the way you'll see Europe's highest drifting dune, the 62m-high Orekhovoy Dune (also called Petsh Dune).