Avenc de la Cuneta
A nice 29 m deep pit in Olesa de Bonesvalls, with a 25 m shaft divided by a block at 8 m and a subvertical conduit of 4 m.
EspeleoWorld
Avenc de la Cuneta
A nice 29 m deep pit in Olesa de Bonesvalls, with a 25 m shaft divided by a block at 8 m and a subvertical conduit of 4 m.
Olesa de Bonesvalls · Alt Penedès
Length: 35 m · Depth: 29 m
Updated record
https://espeleoworld.com/en/c/avenc-de-la-cuneta
Information can change. Always verify coordinates, access, weather, and cave conditions before setting out.
A nice 29 m deep pit in Olesa de Bonesvalls, with a 25 m shaft divided by a block at 8 m and a subvertical conduit of 4 m.
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
A small mouth that gives way to a 25 metre shaft, divided in two at 8 metres depth by a block wedged between a small ledge and the wall of the vertical drop. At the bottom of the shaft and at its N. end, a small subvertical conduit begins that goes down 4 metres more and where the point of maximum depth is reached.
The dominant morphology is that of corrosion, later developing a clastic process and later a lithogenic one.
Speleothems
The lithogenic process is very well represented by parietal flowstone especially, which masks the whole middle and lower zone of the cavity.
Other details
Unfortunately, given its situation next to the road, the cavity has for years suffered an important process of degradation on becoming an uncontrolled and “invisible” dumping ground of the area.
History
In the summer of 1973, the resident of Olesa, Mr. Josep Olivella (alias Pep Jaques), accompanied members of the SIE – CE Àliga through the reliefs near the fondo del Molí, pointing out to them a series of cavities until then unpublished (and many of them currently disappeared due to the development, at that time incipient). One of these cavities was the one that was named avenc de la Cuneta, opened very recently by the works of opening the dirt track that went towards Olesa. The first exploration was carried out by members of the SIE on 17 July 1973. Three years later, on 14 November 1976, members of the GG Gràcia explore it and rename it with the name avenc del Catejat.
Despite the changes undergone by the road (widening and asphalting) the cavity is still accessible (2009).
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Bibliography
1. Garriga, M y Bascuñana, J. (1979).- “Dos cavidades en la cabecera del Fons del Molí (Vallirana – Olesa de Bonesvalls)”. Exploracions (3): 41-45. EC Gràcia. Barcelona.
2. Rubinat, F. (2004).- “Catàleg espeleològic del massís de l'Ordal” EspeleoSie (Monogràfic): 117 pp. SIE – CE Àliga. Barcelona. 3. SIE (1980).- “Alguns fenòmens subterranis propers a Oleseta (el Garraf)” EspeleoSie (24): 9-28. SIE – CE Àliga. Barcelona.
- Fotos 'JNC' facilitades per Jordi Navarro, (Centre Excursionista de Castellar del Vallès).
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Source: Espeleoindex (espeleoindex.com), modified. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/