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Flanders

The Top 20 Caves in Flanders

Looking to visit a cave in Flanders on your next adventure? To help you better plan your next outdoor experience, we’ve collected Flanders’s 20 best caves for you. Based on the experiences of other users, each is a recommendation you know you can trust — so you can better plan your next adventure.

1
Lourdes Grotto Oostham

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  1. 1

    The cave was originally built in the nineteenth century in the church of Oostham. In 1934, during the renovation of the church, it was rebuilt outside the church, but during …

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    Tip by Ann

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  2. 2

    Here you will find the entrance to the tunnel system called the Grootberg, which is part of the underground marl quarry the Avergat. The quarry was used as a garage …

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    Tip by JP

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  4. 3

    The cave was built in 1878 at the beginning of the Tieltse Blereberg on a piece of land of approximately eleven acres, by Maria Theresia Van Geertruyden. She was the …

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    Tip by Ann

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  5. 4

    The cave first opened in 1879 and had 33 aquariums at the time. Ghent residents came to marvel at freshwater and saltwater fish, but the idea did not last long.

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    Tip by Katrien

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  6. 5

    The park still contains remains of the Franciscan monastery, which settled there in 1228.
    The park was later laid out by the brewing family of Cerckel Brewery.
    It was opened …

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    Tip by Jan

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  7. 6

    The region here was called Hoeverveld, after a farm that was also a resting place for the carriages to Maastricht. One of the residents, Mathijs Thijssens, had a statue of …

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    Tip by An 🇧🇪

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  9. 8

    The Caves of Kanne form a network of corridors of 16 kilometers due to the long underground mining of marl in these parts. Today, the Caves of Kanne are still …

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    Tip by JP

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  10. 9

    On the north side of the Onze-Lieve-Vrouw-ten-Poelkerk is a Lourdes grotto, which is still a place of reflection for many Tienen residents.

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    Tip by Katrien

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to discover even more caves in Flanders.

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Last updated:
September 2, 2025

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