Avenc de la Serra Llarga

Petit avenc de 10 m. de fondària a la Serra de l'Obac

Terrassa • Vallès Occidental15m10m

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Avenc de la Serra Llarga

Petit avenc de 10 m. de fondària a la Serra de l'Obac

Terrassa · Vallès Occidental

Length: 15 m · Depth: 10 m

Updated record

https://espeleoworld.com/en/c/avenc-de-la-serra-llarga

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

Small pit 10 m deep in the Serra de l'Obac, first explored on 7 April 1912 by members of the Centre Excursionista de Terrassa.

Characteristics

Type: Pothole
Municipality: Terrassa
Region: Vallès Occidental
Unit: Obac, Serra de l'
Length: 15 meters
Depth: 10 meters
Major Unit: Serralada Prelitoral
Lithology: Conglomerate
Last review: 2012-11-17

Location

Going along the road from Terrassa to Rellinars (B-122), before kilometre 9 there are two very tight bends. At the first of them a track sets off which, after a few metres, takes a S direction, parallel to the road. About 100 metres further on, you have to leave it and climb up to the left until you find the pit shortly before reaching the crest of the nearby ridge.

Entrances

Always verify coordinates and access conditions before setting out.

Avenc de la Serra Llarga
Elevation: 610 m
41.619732, 1.963419
UTM 31T (ED 50) 413737 4608280
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Topographic

Avenc de la Serra Llarga - Topography, Terrassa, Vallès Occidental

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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

An entrance 2.50 metres in diameter that begins a shaft 7 metres deep which leaves us at a base of sloping ground up to the entrance of a small round chamber 2 metres in diameter with a low ceiling where the cavity ends.

Structured on a N28E-S28O joint.

Hydrology

The N28E-S28O joint is used by water as an infiltration point.

History

First explored on 7 April 1912 by members of the Centre Excursionista de Terrassa. In fact only Frederic Segués went down, with the help of a single rope.

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Bibliography

Badiella, X. ; Buil, A. (1981).- “Els petits avencs de la nostra muntanya (IX)”. Arxiu del Centre Excursionista de Terrassa (25): 372-374. Terrassa.