Mährische Pforte
The Oderské vrchy, in English the Oder Mountains or, less commonly, Odra Highlands is a mountain range in the Czech Republic which forms the Eastern Sudetes (part of the Sudetes Mountain Range) and the eastern rim of the larger Bohemian Massif. The Moravian Gate separates it from the Western Carpathians in the southeast. The highest peak is Fidlův kopec at a height of . In the Oderské vrchy is the source of the Oder river, the second longest river in Poland.