Bears' Cave (Romanian: Peștera Urșilor) is located in the western Apuseni Mountains, on the outskirts of Chişcău village, Bihor County, northwestern Romania. It was discovered in 1975 by "Speodava", an amateur speleologist group.
Skeleton of a cave bear (Ursus spelaeus) in the Bones Hall
|Location||Chişcău village, Bihor County, Romania|
|Depth||482 m (1,581 ft)|
|Length||1.5 km (4,900 ft)|
|Access||Tuesday to Sunday, 10:00–17:00.|
Bears' Cave received its name after the 140 cave bear skeletons which were discovered on the site in 1983. The cave bear, also known as Ursus spelaeus, is a species of bear which became extinct during the Last Glacial Maximum, about 27,500 years ago.
The cave has three galleries and four halls: the Candles Hall, Emil Racovita Hall, the Bones Hall. 
- Oradea University: Peștera Urșilor (in English)