Avenc de la Bauma Gran

Small blind pit about 4 m deep in the Coma Oriola (la Masella, Cerdanya), explored and catalogued on 16 July 2015 by members of the grup de l'espeleodijous.

Urús • Cerdanya 5m 4m

EspeleoWorld

Small blind pit about 4 m deep in the Coma Oriola (la Masella, Cerdanya), explored and catalogued on 16 July 2015 by members of the grup de l'espeleodijous.

Urús · Cerdanya

Length: 5 m · Depth: 4 m

Updated record

https://espeleoworld.com/en/c/avenc-de-la-bauma-gran

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 blind pit about 4 m deep in the Coma Oriola (la Masella, Cerdanya), explored and catalogued on 16 July 2015 by members of the grup de l'espeleodijous.

Characteristics

Type: Pothole
Municipality: Urús
Region: Cerdanya
Unit: Alt Segre
Length: 5 meters
Depth: 4 meters
Major Unit: Pirineu Axial
Lithology: Limestone
Updated on EspeleoÍndex: April 16, 2016

Location

From la Masella (Alp) take the road that climbs to the refugi de la Pleta de Das and continue on to the point where it crosses the llera de Coma Oriola (ski lift at the Costa Pelada). From here you must go up the valley for about 800 metres and a drop of just over 100, until on the right (left hydrographic slope) you find a craggy relief bounded by scree on its eastern slope, which must be surmounted, and where all the cavities are located.

This small pit, a few metres from the Bauma Gran, hangs like a window about 3 metres from the foot of the crag in the central area of the aforementioned reliefs.

Entrances

Always verify coordinates and access conditions before setting out.

Avenc de la Bauma Gran
Elevation: 2195 m
42.327821, 1.886672
UTM 31T (ETRS89) 408271 4686775
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Topographic

Avenc de la Bauma Gran - Topography, Urús, Cerdanya

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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 la Bauma Gran - Photo, Urús, Cerdanya

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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

Formed by a single small blind shaft about 4 metres deep.

Other details

All the caves and cracks located in the area are residual cavities, probably vestiges of other climatic circumstances. It is undeniable that the valley bears the imprint of a glacial past, and even today the action of ice widening the fracture structure is responsible for small cavities and for the great extent of these fragmentation screes.

The original physiognomy of the Coma Oriola (according to the ICGC: Comaoriola), has been profoundly altered by the imprint of the ski resort, since a piste runs through this valley.

In summer and therefore out of season, the excavators, concrete mixers, etc. have extraordinarily transformed the bed of the basin, widening it and modifying its margins, causing original vegetation and soils to disappear, burying channels...

History

Although some of the cavities had certainly been observed by skiers and mountaineers who pass through the area, they had never been the object of speleologists until on 16 July 2015, members of the grup de l'espeleodijous proceeded to explore, study and catalogue a good number of cavities in the area.

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Bibliography

Totes les dades, topografies i fotografies han estat extretes del blog: espeleobloc.blogspot (Apunts dels dies 30 i 31-7-2015). Les coordenades han estat facilitades pel mateix equip de l'Espeleodijous.