Grotte di 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 conta 19 grotte catalogate, tra cui 14 pozzi e 5 grotte. La più lunga è Bora Tuna (403 m) e la più profonda è Avencs Nº7-8-9-10 del Pas dels Llops (70 m). La maggior parte delle grotte si trova in calcare.
Lo sviluppo conta ogni grotta una volta (un sistema conta una volta), e la profondità è quella della grotta più profonda, canyon esclusi.
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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.
Le 20 più lunghe
Le 20 più profonde
Mappa
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Fonte: Espeleoindex (espeleoindex.com), modificato. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/