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Avenc Enfonsat

Avenc de 9 metres de fondària a Vallirana.

Vallirana • Baix Llobregat15m9m

A 9-metre-deep pit in Vallirana, discovered and explored in January 1995 by the SEO-CEV.

Characteristics

Location

Coming from the Mas de les Fonts, once at the Pla d'Ardenya you must follow the track that heads off to the left towards the serra del Mas. Shortly after the start of this track we will turn off to the right and follow the track as far as the junction where the avenc Maria is found. From here we will go back up along the same torrent for about 100 metres. We will find the cavity on the right-hand hydrological slope about 20 metres above the torrent. Approximate coordinates without much precision.

Mapa

Entrances

Always verify coordinates and access conditions before setting out.

  1. Enfonsat, Avenc

    Elevation: 505 m

    41.355740, 1.927330
    UTM 31T (ED 50) 410367 4579008
Download all entrances as GPX

Description

Morphology

Entrance in the form of a funnel, opened in a clayey clearing in the forest. A first vertical drop of 4 metres links with an inclined pit of 5 metres and ample dimensions. Its base is formed by a room of 4x4 metres with the floor covered in blocks. At the lowest end a joint opens through which about 4 metres of impassable passage can be sounded. Back in the room and below the entrance pit, on the right there is a narrow descending gallery that communicates with a small room, but with plenty of formation, through which a few more metres can be sounded among large flows.

Speleothems

The small room, communicated by the narrow descending gallery, has plenty of formation, with large flows among which a few more metres can be sounded.

History

Discovered and explored in January 1995 by the SEO-CEV.

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Bibliography

  1. Seo del CEV.(2001).- “La Serra del Mas” Ardenya (1):6-34. SEO-CEV
  2. Rubinat Aumedes, Francesc (2004).- “Catàleg Espeleològic del Massís de l'Ordal”. Espeleosie (Monogràfic):1-117. SIE del CE Àliga. Barcelona.

Source: Espeleoindex (espeleoindex.com), modified. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/