They first stumbled upon the lake (and the elaborate cave system it ... 8,335 cubic meters of thermal mineral water. For comparison, an Olympic-size swimming pool holds 2,500 cubic meters.

Located in the northwestern part of the country, this is Europe’s only thermal cave bath. Outside there are several pools and an adventure area for kids. Eger’s Salt Hill: Eger is best known ...

you should plan to tag along on the guided 30-minute Cave and Basics Tour, which is included in the cost of admission. The tour explains how railway workers first discovered the thermal pools and ...

Castle Cave tours are also available from the Visitor’s Centre and is ideal for birdwatchers. At 27 degrees temperature year ...