Avenc de Pedra Paret

A 13 m deep pit in Alzina d'Alinyà (Alt Urgell), known as Avenc de Pedra Paret.

Fígols i Alinyà • Alt Urgell 32m 13m

EspeleoWorld

A 13 m deep pit in Alzina d'Alinyà (Alt Urgell), known as Avenc de Pedra Paret.

Fígols i Alinyà · Alt Urgell

Length: 32 m · Depth: 13 m

Updated record

https://espeleoworld.com/en/c/avenc-de-pedra-paret

Information can change. Always verify coordinates, access, weather, and cave conditions before setting out.

Topographic map of the main entrance — Main entrance · ICGC topographic map

A 13 m deep pit in Alzina d'Alinyà (Alt Urgell), known as Avenc de Pedra Paret.

Characteristics

Type: Pothole
Municipality: Fígols i Alinyà
Region: Alt Urgell
Unit: Port del Comte, el
Length: 32 meters
Depth: 13 meters
Major Unit: Prepirineu
Lithology: Limestone
Updated on EspeleoÍndex: June 20, 2014

Location

From Alinyà you must go to the nearby hamlet of Alzina d'Alinyà. From the highest part of the small village a track leads to the coll d'Ares. Before crossing the riu de la Peça, on the right a path runs parallel to this valley until reaching below the well-known rock called Pedra Paret, which must be accessed from its N side and followed to the very edge of the cliff where the pit is found. Approximate coordinates.

Entrances

Always verify coordinates and access conditions before setting out.

Pedra Paret, Avenc de
Elevation: 1510 m
42.198847, 1.450160
UTM 31T (ED 50) 372138 4673221
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Topographic

Avenc de Pedra Paret - Topography, Fígols i Alinyà, Alt Urgell

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Espeleoindex · CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/ · Image © its author.

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Description

Morphology

Through a kind of trench filled with blocks you reach an elongated small shaft with a drop of 3 metres, and at its bottom a short ramp leads to another drop of 2 metres, followed by a new descending ramp. At the end of this, the presence of a second opening to the outside can be seen in the ceiling. A vertical conduit between blocks that becomes impenetrable after a few metres marks the point of maximum depth. The main gallery turns towards the NE and about 10 metres further on it emerges outside through a third opening.

History

Visited during phase II of the so-called Operació Solsonès between 27 and 30 March 1964, calling it Avenc de la Font Negra.

Visited again by members of the ERE – CEC (Ubach and Escolà) on 18 May 1970, they made the survey (unpublished until now) and collected fauna, renaming it Avenc de Pedra Paret.

Bio

Orthoptera:

Dolichopoda bolivari Chopard (O. Escolà and M. Ubach, 18-5-1979)

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Bibliography

Borràs, J.; Miñarro, J.M.; Talavera, F.(1978).-”Alt Urgell i la Cerdanya” Catàleg Espeleològic de Catalunya (Vol.1):1-186. Ed. Políglota. Barcelona.
Ubach, Montserrat; Escolà, Oleguer.(1968).-”Operació Solsonès – campanyes 1962 a 1965 (primera etapa). Espeleòleg (5):158-162. ERE-Centre Excursionista de Catalunya.