Claim: Mosor is a mountain range in Croatia mainly composed of karst with a peak of 1,339 m (4,393 ft).
Evidence: Mosor (Latin: Massarus), or Mount Mosor (Massarus Mons; Italian: Monte Massaro), is a mountain range in Croatia located near the city of Split on the Adriatic coast. Mosor is mainly composed of karst — limestone rocks. 1,339 m (4,393 ft)