Osogovo

42°9′30″N 22°31′0″E / 42.15833°N 22.51667°E / 42.15833; 22.51667

Ruen peak from the Bulgarian side of Osogovo.
Springtime on the Macedonian side of Osogovo.

Osogovo (Bulgarian/Macedonian: Осоговоⓘ), or Osogovska Planina or Osogovski Planini (Осоговска Планина or Осоговски Планини), is a mountain range and ski resort between the south-western part of Bulgaria (Kyustendil Province) and the north-eastern part of North Macedonia (Kočani and Kriva Palanka municipalities). Osogovo Monastery is situated on the mountain.