|National Nature Reserve|
|Part of||Poloniny National Park|
|- elevation||1,208 m (3,963 ft)|
|- elevation||620 m (2,034 ft)|
|Area||761.49 ha (1,882 acres)|
|- current category||1993|
|UNESCO World Heritage Site|
|Name||Primeval Beech Forests of the Carpathians and the Ancient Beech Forests of Germany|
Stužica is a uniquely preserved and undisturbed primeval beech forest of the Eastern Carpathians range. It is located in Slovakia and borders with Poland and Ukraine. The forest has been protected since 1908 and in 1993 the area was upgraded to a National Nature Reserve. In 2007 Stužica and several other locations in the range, including six components in Ukraine, were declared as a UNESCO World Heritage Site. Five German components were added in 2011. Together they form Primeval Beech Forests of the Carpathians and the Ancient Beech Forests of Germany WH site with outstanding universal value.
- "National nature reserve Stužica". State Inventory of Specially Protected Parts of Nature and Landscape. Retrieved 2007-09-09.
- "Primeval Beech Forests of the Carpathians and the Ancient Beech Forests of Germany". UNESCO World Heritage Centre. Retrieved 2007-09-09.