| Čudinska planina or Chudinska planina | |
| Elevation M: | 1496 |
| Elevation Ref: | [1] |
| Map: | Serbia |
| Map Size: | 250 |
| Location: | Bulgaria / Serbia |
| Coordinates: | 42.3686°N 22.4656°W |
Čudinska planina (Serbian: Чудинска планина) or Chudinska planina (Bulgarian: Чудинска планина), is a mountain range on the border of Bulgaria and Serbia, near the city of Kyustendil in Bulgaria and the town of Bosilegrad in Serbia. Its highest peak Aramliya/Aramlija has an elevation of 1,496 meters above sea level.