Mount Saint Donatus  Mount Saint Donatus () also known as Mount Rogatec (), elevation , is a mountain in eastern Slovenia. It is among the easternmost peaks in the Karawanks, which extend to Mount Ivanšćica in Croatia. Mount Saint Donatus rises steeply from its foothills to a short, sharp ridge of varying elevation. The ridge offers a very good view and is therefore a popular hiking destination, especially for residents of nearby Rogaška Slatina and Rogatec. The older names for the mountain—"Mount Rogatec" ("Rogaška gora") or "Rogač"—are probably related to the hornlike shape of the mountain; viewed from Rogaška Slatina from the west, it is a sharp, rocky peak. In the geographical sense, the Slovene common noun "rog" 'horn' also means 'tall rocky prominence'. The modern name of the mountain is derived from a church dedicated to Saint Donatus built between 1720 and 1730 on the south slope of the mountain at an elevation of .