Avenc dels Tres
A pit 111 m deep in Begues, on the serrat de la Morella, discovered by members of the ERE – AEC on 4 September 1982.
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Avenc dels Tres
A pit 111 m deep in Begues, on the serrat de la Morella, discovered by members of the ERE – AEC on 4 September 1982.
Begues · Baix Llobregat
Length: 155 m · Depth: 111 m
Updated record
https://espeleoworld.com/en/c/avenc-dels-tres
Information can change. Always verify coordinates, access, weather, and cave conditions before setting out.
A pit 111 m deep in Begues, on the serrat de la Morella, discovered by members of the ERE – AEC on 4 September 1982.
Topographic
Espeleoindex · CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/ · Image © its author.
Photos
Espeleoindex · CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/ · Image © its author.
Description
Morphology
Once past the entrance excavated for the first 2 metres in the Clay by digging out, you enter a 13-metre pit. At one end of its base it connects with a new vertical, this one 27 metres, and at its bottom, through a narrow joint, you reach a third pit, 16 metres. Its base has two openings; through one of them you enter a 36-metre pit that has no continuation; through the other, the pit has a 43-metre vertical with a ledge at 28 metres. At its bottom, a narrow passage gives access to a small 7-metre pit and a short meander with a final drop where the passage becomes impracticable.
History
Discovered by members of the ERE – AEC after a hard dig-out in a small hole located on 4 September 1982. Not finished, on 23 November of the same year, members of the ACE de Mataró complete the dig-out and carry out the first exploration.
The ERE – AEC published a first survey that assigned it 111 metres of depth.
The following year, the EC Gràcia revisits the cavity and makes a new survey (without plans and without orientation) that sets the maximum depth at 109 metres. The same year, however, a team from the SIE – CEA carries out another survey and again sets the depth given in the first instance.
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Bibliography
- Cardona, F. (1990).-Grans cavitats de Catalunya, vol 2. 484 pp. EC Gràcia, Barcelona.
- ERE – AEC (1983).- “Un nou avenc de -111 m. en el massís de Garraf” Sota Terra(4): 50. GES – CM Barcelonès.
- Ferrer, V. (2006).-Avencs de Garraf i d'Ordal. 152 pp. + llibret fitxes i topografies. Edició de l'autor. Barcelona.
- Fotos interiors facilitades per Tomàs Roy (SIS - CE Terrassa)
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Source: Espeleoindex (espeleoindex.com), modified. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/