Claim: Mosor is a mountain range in Split-Dalmatia County, Croatia, with a peak of 1,339 m (4,393 ft) and mainly composed of karst, a kind of limestone.
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. Split-Dalmatia County, Croatia 1,339 m (4,393 ft) Mosor is mainly composed of karst — limestone rocks.