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Avenc de la Nubet

Avenc de la Nubet

Small pit just over 8 m deep at the riera de Jafre, in Olivella, el Garraf. Discovered in August 2012 by the GE Badalona and named after Nubet García.

Olivella • Garraf 29m 8m

Small pit just over 8 m deep at the riera de Jafre, in Olivella, el Garraf. Discovered in August 2012 by the GE Badalona and named after Nubet García.

Characteristics

Location

Access is via the forest track that runs from Palau Novella towards Sitges; past Jafre and the mas de la Fassina, you reach the riera de Jafre, where the car can be parked. Continue along the closed track that runs parallel to the riera; after about 300 metres you reach the riera and follow its bed for about 250 metres more to the mouth of the avenc de la Nubet, clearly visible on the right. The pit is located about 200 metres before reaching the well-known forats d'en Bori.

Map

Entrances

Always verify coordinates and access conditions before setting out.

  1. Avenc de la Nubet

    Elevation: 99 m

    41.281174, 1.817437
    UTM 31T (ED 50) 401062 4570849
Download all entrances as GPX

Photos

Avenc de la Nubet - Photo, Olivella, GarrafView image
Click to enlarge

Espeleoindex · CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/ · Image © its author.

Image 1 of 3

Description

Morphology

A mouth of 0.80×0.65 metres leads to a shaft 8 metres deep. At 5 metres down, the upper gallery is intercepted. Towards the NE there is a passage 0.40 metres wide by 1.14 metres high; after two metres of descending route there is a shaft with a drop of 1.70 metres that leads to its base. A small gallery 1.50 metres long with a chimney at the back is found towards the E at the same height as the access gallery. Below the access gallery there is a crawlway of 0.40×0.50 metres that in a SW direction connects with the base of the P-8. In the lower gallery, direction W, the width is 0.50 metres; a little further on the height rises and at the top it connects with the upper gallery. If you continue along the lower gallery you pass a small drop and continue for about 2.50 metres, turn right 1 metre more to turn left again where the meander ends at 1 metre distance. On the right a small fissure can be seen.

Speleothems

The passage towards the NE, 0.40 metres wide by 1.14 metres high, has formations on the ceiling.

Progression

A mouth of 0.80×0.65 metres leads to a shaft 8 metres deep. At 5 metres down, the upper gallery is intercepted. If you continue towards the NE through a passage 0.40 metres wide by 1.14 metres high with formations on the ceiling, after two metres of descending route you find a shaft where a drop of 1.70 metres leads to its base. A small gallery 1.50 metres long with a chimney at the back is found towards the E at the same height as the gallery through which you entered. Below the access gallery there is a crawlway of 0.40×0.50 metres that in a SW direction connects with the base of the P-8. In the lower gallery, direction W, you advance a couple of metres, the width is 0.50 metres; a little further on the height rises and at the top it connects with the upper gallery. If you continue along the lower gallery you climb a small drop and continue for about 2.50 metres, turn right 1 metre more to turn left again where the meander ends at 1 metre distance. On the right a small fissure can be seen.

History

After various searches along the riera de Jafre, members of the GE Badalona discovered this small cavity in August 2012, which they had to clear in order to proceed afterwards with its exploration and survey. They named it after the youngest of the group, Nubet García.

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Bibliography

  • Totes les dades han estat extretes del web: geb.cat (Grup d'Espeleologia de Badalona) (apunt del dia 12-7-2013, redactat per: Vanessa Sánchez, Archie Litago, Antoni García).

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