Avenc de Basses Roges

A pit with a drop of 25 metres in Vallirana.

Vallirana • Baix Llobregat 36m 25m

EspeleoWorld

A pit with a drop of 25 metres in Vallirana.

Vallirana · Baix Llobregat

Length: 36 m · Depth: 25 m

Updated record

https://espeleoworld.com/en/c/avenc-de-basses-roges

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 pit with a drop of 25 metres in Vallirana.

Characteristics

Type: Pothole
Municipality: Vallirana
Region: Baix Llobregat
Unit: Ordal, muntanyes de l'
Length: 36 meters
Depth: 25 meters
Major Unit: Serralada Litoral
Lithology: Limestone
Updated on EspeleoÍndex: March 8, 2015

Location

Located at the Pla de Basses Roges electrical plant, we will have to head towards the hut where the radio and TV repeaters are found; from here we will continue along the path in the direction of the Claperons quarry. First this path takes a turn to the right, and a few metres further on the turn is made to the left; at precisely this point we must leave the path on its right-hand side and go down in the direction of the nearby torrent. The cavity is found shortly before reaching the torrent; at present some cairns lead us to the cavity.

Entrances

Always verify coordinates and access conditions before setting out.

Basses Roges, Avenc de
Elevation: 523 m
41.357760, 1.907694
UTM 31T (ED 50) 408727 4579252
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Topographic

Avenc de Basses Roges - Topography, Vallirana, 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 de Basses Roges - Photo, Vallirana, 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

A 2 metre drop places us on a ramp that leads us to a new 2 metre drop, where a new ramp ends in a meander that places us at the head of a pit of about 9 metres; before reaching the base of this we find on the other side a sloping ledge. At the base we find on one side a blind pit, and on the other a pit of about 7 metres that place us in a joint that towards the east narrows until it becomes impassable, and towards the north we find a small chamber that ends with the ceiling in the form of a dome.

History

First exploration carried out by the Espeleo Grup Hospitalet around 1999.

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Bibliography

Rubinat Aumedes, F. (2004).-“Catàleg Espeleològic del Massís de l'Ordal”. Espeleosie (Monogràfic):1-117. SIE-CE Àliga. Barcelona.

Fotos 'JNC' facilitades per Jordi Navarro, (Centre Excursionista de Castellar del Vallès).
Topografia facilitada per Carles Pons (Espeleo Grup l'Hospitalet) l'any 2003.