Forat Nº1 de la Llau Fonda

A 27 m deep pit in the Serra de Lleràs, with a single shaft of elliptical section and access through an arched entrance.

Tremp • Pallars Jussà 30m 27m

EspeleoWorld

A 27 m deep pit in the Serra de Lleràs, with a single shaft of elliptical section and access through an arched entrance.

Tremp · Pallars Jussà

Length: 30 m · Depth: 27 m

Updated record

https://espeleoworld.com/en/c/forat-n-1-de-la-llau-fonda

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 27 m deep pit in the Serra de Lleràs, with a single shaft of elliptical section and access through an arched entrance.

Characteristics

Type: Pothole
Municipality: Tremp
Region: Pallars Jussà
Unit: Serra de Lleràs
Length: 30 meters
Depth: 27 meters
Major Unit: Prepirineu
Lithology: Conglomerate
Updated on EspeleoÍndex: January 27, 2016

Location

Three and a half kilometres after passing Sapeira in the direction of Espluga de Serra, and one kilometre six hundred metres before reaching the village of Castellet, the track is crossed by a very wide torrent that comes down from the serra de Lleràs. Going up this torrent about 100 metres, we find on the left a building like a shed; continue on until reaching a fork of ravines (the right-hand one goes towards the graller de Castellet or Espluga de la Fageda). Take the left-hand one until reaching the confluence of three torrents; here you must follow the right-hand one (Barranc de la Pedregor) and continue upstream to a long gorge section in which 4 or 5 cascades must be climbed. Further on the bed widens and on the right (left slope) there is a scree slope which, once climbed, leads to the large lower opening of the pit, visible from the bed of the ravine. Coordinates of very low reliability.

Entrances

Always verify coordinates and access conditions before setting out.

Forat Nº1 de la Llau Fonda
Elevation: 1300 m
42.235895, 0.814589
UTM 31T (ETRS89) 319675 4678280
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Description

Morphology

Consisting of a single shaft of 27 metres of drop, of elliptical section, which begins with two mouths at the top of the crag and is difficult to access. Due to the retreat of the crag, the wall nearest the ravine has been dismantled in its lower section, giving rise to an entrance in the shape of an arch about 10 metres high through which one can enter the base of the shaft.