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Tapolca outflow

Maria Bozoky

Tapolca outflow

Maria Bozoky
  • Original Title: Tapolcai Tó-Barlang Kifolyása
  • Date: c.1980; Budapest, Hungary 
  • Style: Expressionism, Impressionism
  • Genre: landscape
  • Media: watercolor, ink
  • Tag: lakes-and-ponds, rivers-and-waterfalls
  • Dimensions: 28 x 40 cm

TAPOLCA - HUNGARY

The Lake Cave

This 3 km long lake cave system is situated in the heart of the town. It was opened to the public in 1912, ten years after its discovery. Small boats can be hired to explore the cave system. At 15–20 m below the town, a 5 km long cave system criss-crosses the Miocene limestone layers. This includes the 3.3 km long Lake Cave, which is mostly filled with karst water. The cave was discovered in 1903 during well digging. Thanks to these explorations, round boat trips were made possible from 1937. Because of its special origin and unique formations, it was designated a protected area in 1942 and placed under strict protection in 1982. The mixture of the cold karst water flowing there and the thermal water up-surging from the deep dissolves limestone. Initially narrow passages, then smaller and larger niches were formed. Over a very long period, these widened into spacious chambers and passages. Dripstones have not developed in the cave, as several metre thick clay deposits prevents infiltration from the surface. Only calcareous formations (cave corals and aragonite crystals) occur at some places, having precipitated from the cave air. Bats cannot enter the closed spaces, so the largest vertebrate is a 10 cm long fish, the Common minnow (Phoxinus phoxinus L.), which probably swims in through the wet passages from the Malom-tó (Mill Pond). The cave air, with nearly 100% humidity, a high calcium content and a constant temperature of 20 °C, is used to cure respiratory diseases in the branches under the town hospital that are in close proximity with the cave. The radon content of the cave air is too low to have any effect on the visitors.(Wikipedia)

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