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Pou Gran del Torrent Fondo

Petit avenc de 17 metres de fondària al municipi de Collbató

Collbató • Baix Llobregat40m17m

Small pit 17 metres deep in the municipality of Collbató, known since ancient times and explored and surveyed throughout the 20th century.

Characteristics

Location

From the wells of the Carbonera and the Serrat de les Garrigoses one must follow the faint path to a col that separates the last hills of the Serrat de les Garrigoses. One must descend along the ridge of the lower hill (elevation 689) in a NE direction towards the torrent Fondo. The pit is found at the foot of the third ledge that we come across while following the quite steep ridge.

Mapa

Entrances

Always verify coordinates and access conditions before setting out.

  1. Torrent Fondo, Pou Gran del

    Elevation: 635 m

    41.574900, 1.838200
    UTM 31T (ED 50) 403252 4603441
Download all entrances as GPX

Description

Morphology

Small pit 17 metres deep. The entrance measures 12 x 2 metres on the West side. Once at floor level, one follows the fissure towards the East, descending down a pronounced ramp that will lead us to a crouched passage, preceded by a small drop that is quite easy to descend. The fissure continues in a descending direction until it becomes flat and dies out in a narrow, stony crevice that escapes our presence.

The cavity does not end entirely here. One can climb back up through the fissure, taking advantage of the curved section of the walls, and continue about 5 metres further to a small chamber, quite comfortable and high.

Progression

One can descend a 5-metre drop and one also reaches the bottom of the entrance shaft via a large rock wedged halfway down the shaft that facilitates access by means of a curious caper.

History

Known for a very long time by some monks of the monastery and mentioned in some old maps of the mountain. The first visit we know of is by the GES of the CMB in February 1963. Other members of the same group relocate them and make the survey in October 1976. All these data remain unpublished, until the SIS of the CE de Terrassa, after various attempts, find them again in December 1989 and make a careful study that they publish later.

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Bibliography

Badiella, Xavier et al. (1992).- 'La influència dels relleus epigeus en la gènesi de certes cavitats montserratines'. SIS (12):4-22. Arxiu del Centre Excursionista de Terrassa: 140-158, Terrassa.



Valles, Jordi de. (2017).-'Baix Llobregat'. Catàleg Espeleològic de Catalunya (vol.6):1-468. EC Gràcia/Federació Catalana d'Espeleologia.

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