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Avenc del Bages

Avenc del Bages

A 33-metre-deep pit at Coll de Jou (Guixers), explored by EDES in 1962 and re-explored in 1964 and 1995.

Guixers • Solsonès 210m 33m

A 33-metre-deep pit at Coll de Jou (Guixers), explored by EDES in 1962 and re-explored in 1964 and 1995.

Caratteristiche

Località

It opens on the left slope of the barranc del Grau, S of Coll de Jou and 100 metres from the LV-4241b road from Solsona to Coll de Jou. 150 metres before reaching the col we will follow a path on the left that goes to the electricity tower located on the spur, we will go down a small col formed on a small spur, followed by a gully down which we will descend some 20 metres, we will continue to the right through an area with no vegetation and a steep slope, now in a W direction, we will enter the wood descending in a S direction along the side of a small spur hidden on the left, and we will look below the spur for the mouth of the pit.

Mappa

Ingressi

Verifica sempre le coordinate e le condizioni di accesso prima di partire.

  1. Avenc del Bages

    Quota: 1405 m

    42.136018, 1.539511
    UTM 31T (ED 50) 379395 4666114
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Foto

Avenc del Bages - Foto, Guixers, SolsonèsVisualizza immagine
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Espeleoindex · CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/ · Immagine © del suo autore.

Immagine 1 di 11

Descrizione

Morfologia

A wide but low mouth that narrows as we enter. At 3 metres, we will find a 2-metre drop that can be descended with the help of an iron bar that is placed above it and which we can hold with our hands. Towards the NE, there is a shaft that communicates directly with the main chamber, but it can be descended on the other side through different vertical squeezes where we find some drops, until reaching the end of the main chamber without it being necessary to use equipment, but with caution.

From the main chamber we will descend in a NE direction to the opposite end, where we will find different galleries in all directions but with no possibility of continuation. A narrow passage, cleared, gives way to the Sala del Gall measuring 5x4x2 metres. At the back of this chamber two variants open up, the one on the right, called La Gansa, descends some 6 metres and is closed. On the left we will continue descending to the Sala de la Gallina, of similar dimensions to the previous one. At the back of this chamber we will also find two variants. On the right we will descend some 4 metres reaching a small reduced chamber called El Lavabo. Returning to the previous point, on the left we will descend some 4 metres among blocks and reach the Sala de l'Ou, measuring 13x7x2 metres, formed by blocks fallen from a large slab of the ceiling. Between the blocks a small shaft opens on the right that gives access to the last chamber, but if we go to the left, we will descend a 4-metre drop that will place us in the Sala del Peix, this chamber is elongated and full of fallen blocks, with dimensions of 17x3x2 metres. From this chamber, by means of a crack that descends some 3 metres we access the Sala el Pollet Escaldat measuring 12x2x4 metres, where we find many animal bones crushed by fallen stones. This is the deepest point of the cavity located at -33 metres.

Concrezioni

The main chamber is full of lithogenic formations. The Sala del Gall has beautiful white and eccentric formations.

Progressione

At 3 metres, we will find a 2-metre drop that can be descended with the help of an iron bar that is placed above it and which we can hold with our hands. Towards the NE, there is a shaft that communicates directly with the main chamber, but it can be descended on the other side through different vertical squeezes where we find some drops, until reaching the end of the main chamber without it being necessary to use equipment, but with caution.

Storia

Explored by EDES on 8 and 9 December 1962. It is explored again between 4 and 6 January 1964 when the survey is carried out, with EDES, EDECA and the ERE del CEC taking part in the exploration.

In November 1995 the Grup Espeleològic les Lluernes forces a narrow passage and reaches -33 metres of depth.

Note biospeleologiche

Col. Leiodidae Lepthodirini Speonimites mengeli
9-XII-2017
J. Serrano – M. Roca leg.
7 exemplars

Col. Leiodidae Lepthodirini Parvospeonomus delarouceei
9-XII-2017
J. Serrano – M. Roca leg.
2 exemplars

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Bibliografia

  1. Borràs,J; Miñarro,J.M; Talavera,F.(1980).-”l'Urgell, el Solsonès, la Segarra i el Berguedà”. Catàleg Espeleològic de Catalunya (vol 5):1-233. Ed. Políglota. Barcelona.
  2. Codina, S.(1996).-”Avenc del Bages”. Corriol (101):10-11. CE Solsonès.
  3. Subils, J.; Senent, J.; Escolà,O.(1964).-”Operació Solsonès”. Montaña (90):47-55. CE Catalunya.
  4. Ubach, Montserrat; Escolà, Oleguer.(1968).-”Operació Solsonès – campanyes 1962 a 1965 (primera etapa). Espeleòleg (5):158-162. ERE-Centre Excursionista de Catalunya.
  5. Valles, Jordi de (2009).-”Alt Urgell, Noguera, Pla d'Urgell, Segarra, Solsonès, Urgell) Catàleg Espeleològic de Catalunya (2):1-384. EC Gràcia-FCE.
  • Coordenades i dades extretes del blog de Xavier Bertolín, (aiguesjuntes.blogspot.com.es) post del dia 12/6/2010.
  • Fitxa actualitzada a 21 de desembre de 2017, amb dades de biologia i fotografies, facilitades per Juli Serrano i Montse Roca.

Fonte: Espeleoindex (espeleoindex.com), modificato. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/