Lead mining under the mountain Peca began already in Roman times, the written records show, that from 1665 until the end of the previous century, when the mine was finally closed down, 1000 km of tunnels were dug under the mountains of Koroška region. Today Tourism Mine and Museum Podzemlje Pece is one of the main attractions Karavanke UNESCO GLOBAL GEOPARK and the place for unique underground adventures. 
These remarkable underground passages enable us to get to know the history of mining while seeing the mine from the mining train and on foot, with mountain bikes or by kayak along the underground lakes in the flooded part of the mine.

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Underground adventures

  • Underground biking
  • Underground kayaking
  • Black Hole Trail

Put on your mining equipment and take a ride on a genuine mining train right to the heart of the mine, the Moring district.

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People usually seek mountain biking enjoyment in the mountains, but what we have found is the passage through the mountains, along our abandoned and mysterious tunnels, in the mine no longer in use under the Peca mountain.
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More than half of Mežica mine tunnels, from 12 to 20th level are due to closure of water pumps now flooded and here our adventure begins. Peddling through tunnels where mining trains were pulling the ore wagons, discovering the underground lake in once leaded rock and discovering the labyrinth of tunnels while peddling in fresh drinking mountain water
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Black Hole Trail is designed to give challenge and adventure to advanced experienced mountain bikers. 
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