Karst cave of about 400 metres with large halls full of stalactites, stalagmites, stalagnates and stone waves, plus a hall known for its acoustics. Entry is only by guided group tour, with commentary in Bulgarian, along a lit path with metal stairs.
Highlights
- Stalactites and stalagmites
- Hall with strong acoustics
- Collapsed vault from earthquake
Good to know
- Cold inside, around 7–10°C
- Stairs are steep and slippery; the ceiling is low
- Tours in Bulgarian only, cash tickets
