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Avenc de la Serra del Mas

An 11-metre-deep pit in Vallirana, with two entrances, one opened with explosives to extract sparry calcite.

Vallirana • Baix Llobregat 18m 11m

An 11-metre-deep pit in Vallirana, with two entrances, one opened with explosives to extract sparry calcite.

Characteristics

Location

It is located to the left of the track that climbs from the Pla d'Ardenya to the serra del Mas, before reaching les esquerdes del Mas de les Fonts and 250 metres south of the Mas de les Fonts, difficult to locate. Approximate coordinates.

Map

Entrances

Always verify coordinates and access conditions before setting out.

  1. Avenc de la Serra del Mas

    Elevation: 455 m

    41.357420, 1.931050
    UTM 31T (ED 50) 410681 4579190
Download all entrances as GPX

Description

Morphology

It has two entrances. One of them was opened with explosives to extract “sparry calcite”. The other entrance gives access to a ramp covered by a stalagmitic flowstone. At the base, a narrow 5-metre pit that had to be cleared ends in a small chamber.

Speleothems

The other entrance gives access to a ramp covered by a stalagmitic flowstone.

Progression

The other entrance gives access to a ramp covered by a stalagmitic flowstone. At the base, a narrow 5-metre pit that had to be cleared ends in a small chamber.

History

The first exploration was carried out by the GE Badalona.

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Bibliography

  1. Lloret Prieto, Jordi. (1979).-Catálogo Espeleológico del Pla d' Ardenya. (Tomo 1):1-106. Barcelona.
  2. Miret, F.- Cuenca,J. (1973).-“Recientes prospecciones realizadas por el GEB en la zona de Ordal”. Cavernas (18): 20-25. Badalona.

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