Many people know that Hungary is a country blessed with an abundance of thermal springs. But only few people are aware, that these same medicinal waters have carved a deep and intricate cave system under the city over the course of millions of years.
You start with a visit to Szemlő-hegyi Cave known as "the under ground flower garden of Budapest", a tribute to the spectacular formations of pisolite and gypsum crystals. Because the caves enjoy a steady temperature of 12 degrees Celsius, with dust and allergen free air, along with 100% humidity, at it lowest level there is a respiratory sanatorium.
Then take a walk to the next site, Pál-völgyi Cave. It's the longest cave system in Hungary at around 31 km and known for its lofty passageways and great level differences. Audiophiles take note as you will experience the famous Theatre Hall, renowned as an echo chamber with its impressive acoustics. The tour concludes with a peek at the quarry from one of the caves many hidden exits.