Krka river is a beautiful river surrounded by unspoiled scenery and lush vegetation, which flows through the National park Krka. You can visit the largest limestone barrier in Europe, Skradinski Buk, where the water of the river formed many small lakes and streams. Walking through trails, a visit to the ethnographic collection and an old mill will further enrich the visit to the national park. In summer, you can swim in the river under the waterfall. The most frequently visited areas in of Krka National Park are Skradinski buk and Roški slap. Skradinski buk is one of Croatia's best known natural features, made up of travertine cascades, islands and lakes.