Avenc de l'Arrel

A 46 m deep pit in El Perelló, Baix Ebre, at the head of the barranc de Coma Novell, beside the Parc Eòlic de les Colladetes.

Perelló, El • Baix Ebre 60m 46m

EspeleoWorld

Avenc de l'Arrel

A 46 m deep pit in El Perelló, Baix Ebre, at the head of the barranc de Coma Novell, beside the Parc Eòlic de les Colladetes.

Perelló, El · Baix Ebre

Length: 60 m · Depth: 46 m

Updated record

https://espeleoworld.com/en/c/avenc-de-l-arrel

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 46 m deep pit in El Perelló, Baix Ebre, at the head of the barranc de Coma Novell, beside the Parc Eòlic de les Colladetes.

Characteristics

Type: Pothole
Municipality: Perelló, El
Region: Baix Ebre
Unit: Serres de Cardó i del Boix
Length: 60 meters
Depth: 46 meters
Major Unit: Serralada Prelitoral
Lithology: Limestone
Updated on EspeleoÍndex: July 19, 2022

Location

In the area of the Parc Eòlic de les Colladetes, at the head of the barranc de Coma Novell.

At km 4.5 of the TV-3022 road, from El Perelló to Rasquera, a track leaves to the right and enters the wind farm. You must always follow it in a NE direction, alongside the wind turbines. When the track approaches the head of the barranc de Coma Novell, a fork appears to the right where in the first stretch there are no mills. To the right of the track there is a small entrance (currently it is already a track leading to more mills) and from this point you must head towards the nearby torrent without a path; the pit is about 10 metres above the left slope.

A post with a metal plate beside the mouth makes it easier to locate.

Entrances

Always verify coordinates and access conditions before setting out.

Avenc de l' Arrel
Elevation: 241 m
40.897623, 0.688747
UTM 31T (ETRS89) 305312 4529964
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Topographic

Avenc de l'Arrel - Topography, Perelló, El, Baix Ebre

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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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Photos

Avenc de l'Arrel - Photo, Perelló, El, Baix Ebre

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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 horizontal mouth you enter a 9 metre shaft, followed by a very steep ramp and a small step, which drops you into a shaft, in the form of a joint and with a drop of 34.5 metres. At its bottom there is a small, very narrow conduit, which represents the point of maximum depth, at 45.8 metres deep.

Speleothems

In the upper zone of the pit a fairly developed lithogenic process can be observed, but totally decalcified.

History

The first exploration took place in early January 1961 and was carried out by members of the SES Puigmal (Barcelona) during a brief campaign in the area. They attributed 52 metres of depth to it.

We have no further news of the cavity until the visit of the SIE – CEA in March 1983. The survey carried out fixes the maximum depth at 45.8 metres.

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Bibliography

SES – Puigmal (1961).- “ Serra de Cardó (Tarragona)”. Cordada (65): 8-9. J. Mª Armengou, editor. Barcelona.
SIE (1984).- “Resultat de les exploracions realitzades a la zona del Perelló (Baix Ebre)”. EspeleoSie (27): 76-97. SIE del Centre Excursionista Àliga. Barcelona.

Revisió de coordenades i fotografies de Julio Serrano i Montse Roca, extretes del blog: espeleobloc.blogspot (post del dia 11-1-2014)
Actualització de coordenades i de situació facilitades per membres de l'Espeleodijous (juliol 2022). Apunt del 14-7-2022