Croatia's Natural Wonders

This collection highlights Split-Dalmatia's geological variety: coastal sea caves with unusual light effects, karst sinkholes holding deep blue and red lakes, inland karst caves with stalactites and wartime history, high coastal peaks and an engineered glass skywalk on the Biokovo massif, plus artificial reservoirs and a protected urban park-forest. Entries include coordinates, cave types, lake sinkhole origins, and observation points for planning visits and research.

Blue Cave

The Blue Grotto or Blue Cave, is a waterlogged sea cave located in a small bay called Balun, on the east side of the island of Biševo and…

Vidova gora

Vidova gora is the highest peak on the Croatian island of Brač, and also the highest peak on all Adriatic islands.

Blue Lake

Blue Lake is a karst lake located near Imotski in southern Croatia. Like the nearby Red Lake, it lies in a deep sinkhole possibly formed by…

Red Lake

Red Lake is a sinkhole containing a karst lake near the city of Imotski, Croatia.

Vranjaca Cave

Vranjača Cave is a karst cave in Croatia, on the northern slopes of the Mosor mountain near the village of Kotlenice, some 18 miles inland…

Dragons cave

Drakonjina špilja, also known as Zmajeva pećina, is called so because of the mysterious relief of a dragon found inside.

Biokovo Skywalk

Glass‑bottomed observation deck on the Biokovo massif, offering panoramic views of the Makarska Riviera; reached by a short paved path within Biokovo Nature Park.