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Cau d'en Banyeta

A 40-metre-long cave in the Serra l'Obac (Mura), with a narrow, earthy entrance and a gallery that descends and ascends over ramps and a sediment cone.

Mura • Bages 40m 7m

A 40-metre-long cave in the Serra l'Obac (Mura), with a narrow, earthy entrance and a gallery that descends and ascends over ramps and a sediment cone.

Characteristics

Location

Located at the Collet Roig, we follow the path that descends to the Sot de l'Infern, which those from the Puig de la Balma call Camí de Puigdoure. After 450 metres we will reach a rocky area. We will leave the path on our left, following the ridge a little below the crest, until we find the head of a gully that divides the cliff into two halves. On the right side of the head we will find the small impenetrable slit of the avenc d'en Banyeta and, some twenty metres further down, the tiny entrance of the cave. Very approximate coordinates.

Map

Entrances

Always verify coordinates and access conditions before setting out.

  1. Banyeta, Cau d'en

    Elevation: 625 m

    41.678966, 1.954650
    UTM 31T (ETRS89) 412992 4614661
Download all entrances as GPX

Description

Morphology

The narrow, earthy, tube-shaped entrance descends as a one-metre ramp, until we find the opening in the rock. Once past the rock lintel we will find a fallen block, which forces us to crawl one more metre; past this point one can stand upright for the rest of the cavity. From the very start the cave descends with a ramp of some six metres and turns slightly to the right, ascends over a sediment cone caused by the materials fallen through the entrance of the pit. At this point is the maximum height of the gallery ceiling. Once down the sediment cone we find some meagre formations; here we find a new ramp that ascends some four metres and that takes us to the other end of the gallery. We also find at this point, low in the sediments, a gallery to the right of some four metres in length. The gallery ends in two large collapse blocks.

Addendum: As for the pit, it is impracticable due to its meagre dimensions; for this reason we do not include its measurements in the total height difference of the cavity.

Speleothems

Once down the sediment cone we find some meagre formations.

Progression

The narrow, earthy, tube-shaped entrance descends as a one-metre ramp, until we find the opening in the rock. Once past the rock lintel we will find a fallen block, which forces us to crawl one more metre; past this point one can stand upright for the rest of the cavity. From the very start the cave descends with a ramp of some six metres and turns slightly to the right, ascends over a sediment cone caused by the materials fallen through the entrance of the pit. Once down the sediment cone we find a new ramp that ascends some four metres and that takes us to the other end of the gallery. We also find at this point, low in the sediments, a gallery to the right of some four metres in length.

History

Located by Jordi Guillemot at the beginning of 1998 during an excursion in which he observed that air was coming out of a small hole; a few weeks later, specifically on 21-03-1998, he himself found the minuscule entrance (12X35cm) of the pit. Later, accompanied by the Barquinero brothers, they cleared the earthy entrance of the cave. The connection of the pit with the cave was verified by throwing stones from the upper entrance, which ended up in the gallery of the cave.

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Bibliography

  1. Guillemot i Marcet, Jordi (1999).-”El Cau d'en Banyeta i una cova de calaix: la cova d'Abellerols”. Arxiu Centre Excursionista de Terrassa (102-103):87-91. CE Terrassa.
  2. Valles Tena, Jordi de (2016).-”Bages, Barcelonès, Maresme, Vallès Occidental, Vallès Oriental” Catàleg Espeleològic de Catalunya (vol.5):14-15. ECG/FCE

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