You can rent a bicycle and ride all the way to Juodkrante about 30 km, visiting Preila and Pervalka en route. The bicycle track goes by the Curonian Lagoon for about 15 km, then through a pine forest and finally by the sea, letting you to see lots of beautiful sceneries. Don't forget to stop by the Vecekrugas dune ~1 km before Preila and the Dead Dunes Negyvosios kopos near Pervalka.
