Caves of Sant Martí de Llémena
A municipality in the Gironès with 19 cavities: 14 pits and 5 caves, 1593 m of total passage and 70 m of maximum depth. It includes Bora Tuna, Cova de Rocafesa and the pits of the Pas dels Llops.
Sant Martí de Llémena has 19 catalogued caves, including 14 potholes and 5 caves. The longest is Bora Tuna (403 m) and the deepest is Avencs Nº7-8-9-10 del Pas dels Llops (70 m). Most caves are found in limestone.
Length adds each cave once (a system counts once), and depth is that of the deepest cave, canyons excluded.
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Sant Martí de Llémena, a municipality in the Gironès, has 19 catalogued cavities: 14 pits and 5 caves. The total recorded passage is 1593 m and the maximum depth is 70 m. The lithologies present are limestone (16) and sandstone (3).
Among the most notable cavities are Bora Tuna, with 403 m of passage at Llorà, known since remote times and archaeologically excavated in 1922; the Cova de Rocafesa, with 400 m of passage, with a labyrinthine passage occupied by boulders and a vertical drop of -19 m; and the Avencs Nº7-8-9-10 del Pas dels Llops, with 240 m of passage and 70 m of depth, with several entrances (nº 7, 8, 9 and 10) that form part of the avenc de Sant Martí.
Other cavities are the Avencs Nº1 I 2 del Pas dels Llops, with 170 m of passage and 46 m of depth, with pits nº 1 and 2 connected, explored by the GIS de Girona during Easter 1972; the Avenc de Can Plana, with 105 m of passage and 68 m of depth, explored on 30 April 1972 by members of the SIRE–UEC (Gràcia); and the Avenc Nº5 de Rocafesa, with 18 m of depth, explored by the GIS de Girona between 1973 and 1974.
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Source: Espeleoindex (espeleoindex.com), modified. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/