Pirat Mountain is a hill located halfway between Krynica Morska and Piaski, on the Vistula Spit. On Pirat Mountain there is an observation tower, which is used by both tourists and scientists to observe birds. The Vistula Spit is an important migration route for birds in Europe, and from the tower you can admire this phenomenon, especially intensive in spring and autumn. The tower offers a view of the Vistula Lagoon and the Bay of Gdańsk.