Avenc del Collet

Ínfim avenc de 4 m. de fondària a Castelldefels

Castelldefels • Baix Llobregat6m4m

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Avenc del Collet

Ínfim avenc de 4 m. de fondària a Castelldefels

Castelldefels · Baix Llobregat

Length: 6 m · Depth: 4 m

Updated record

https://espeleoworld.com/en/c/avenc-del-collet

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

Tiny 4 m deep pit in Castelldefels, discovered and explored by GES – CMB in June 1955 and rediscovered in April 2019.

Characteristics

Type: Pothole
Municipality: Castelldefels
Region: Baix Llobregat
Unit: Garraf, el
Length: 6 meters
Depth: 4 meters
Major Unit: Serralada Litoral
Lithology: Dolomite
Last review: 2019-05-04

Location

From the Can Roca neighbourhood in Castelldefels you must go to the Escola de Natura de Cal Ganxo (well signposted) and from there approach the Can Roca practice walls until reaching the coll del Peu de Santa Maria (previously known as Collet de la Remuguera). From here you must continue in a S direction and cross the head of the Fondo de Can Roca keeping to the height of the collet until you find the pit, off any path and overgrown.

Entrances

Always verify coordinates and access conditions before setting out.

Avenc del Collet
Elevation: 162 m
41.286134, 1.957025
UTM 31T (ETRS89) 412664 4571046
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Topographic

Avenc del Collet - Topography, Castelldefels, Baix Llobregat

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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 del Collet - Photo, Castelldefels, Baix Llobregat

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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 small opening you enter a single shaft with a drop of 3.5 metres. The floor is made up of clay and small clastic materials.

Speleothems

Most of the walls, especially the northern ones, are covered by lithogenic formations.

History

Discovered and explored by GES – CMB in June 1955. For more than 60 years its trail had been lost, but with the approximate indications of Lluís Muntan, members of the ERE-CEC rediscovered it in April 2019.

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Bibliography

Montoriol Pous, Joaquin (1956).- “Contribución al conocimiento hidrogeológico del borde oriental del macizo de Garraf (zona Gavà – Castelldefels)” Speleon. Tomo VII (1-4): 3-36. Universidad de Oviedo.