Mountains that start with O

Osogłowska Płanina are mountains with the letter O. They stretch on the border of Bulgaria and Macedonia. The highest peak of these mountains is Ruen, which is 2,251 meters above sea level and is made of crystalline shales. They are characterized by the presence of meadows in their top parts.

Odrzańskie are mountains with the letter O, which are located in the Czech Republic. They are a mountain range of the Sudetes chain and are distinguished by the fact that they are located furthest to the east. Their highest peak reaches a height of 680 meters above sea level. They are characterized by the fact that the source of the Oder River is located in their area.