Caves of Os de Balaguer
Os de Balaguer, in the Noguera, brings together 11 cavities: 8 caves and 3 pits, with 1,931 metres of total passage and a maximum depth of 78 metres. The Cova Negra de Tragó stands out, at 1,032 metres.
Os de Balaguer has 11 catalogued caves, including 3 potholes and 8 caves. The longest is Cova Negra de Tragó (1,032m). Most caves are found in limestone.
Length adds each cave once (a system counts once), and depth is that of the deepest cave, canyons excluded.
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Os de Balaguer, a municipality in the comarca of the Noguera, has 11 inventoried cavities: 8 caves and 3 pits. The group totals 1,931 metres of passage and reaches a maximum depth of 78 metres. All the cavities develop in limestone.
The longest cavity is the Cova Negra de Tragó, with 1,032 metres of passage, two entrances at different levels and a vertical extent of 78 metres (+52/-26). It is followed by the Cova Fonda de Tragó, at 277 metres, explored on 2 November 1910 by Jeannel; Lo Foric, at 115 metres, with a main gallery of 40 metres and side chambers; the Forat d'Os, at 110 metres, with three levels formed by collapses and movements of strata, and the Avenc de la Plana, at 102 metres.
Among the deepest cavities are the Forat la Neu, 57 metres deep, on the N slope of the serra de Blancafort, with an entrance of 14x2 metres and a SE-NW joint; the Avenc de la Plana, at 27 metres, on the right bank of the barranc del Molí de Boix; the Avenc de la Penya dels Ulls, at 24 metres, a tectonic fissure of some twenty metres, and Lo Foric, at 21 metres.
Map
The 20 longest
- 1Cova Negra de TragóOs de Balaguer, Lleida1,032 m
- 2Cova Fonda de TragóOs de Balaguer, Lleida277 m
- 3Lo ForicOs de Balaguer, Lleida115 m
- 4Forat d'OsOs de Balaguer, Lleida110 m
- 5Avenc de la PlanaOs de Balaguer, Lleida102 m
- 6Cova d'en CristòfolOs de Balaguer, Lleida86 m
- 7Forat la NeuOs de Balaguer, Lleida85 m
- 8Cova del MagríOs de Balaguer, Lleida56 m
- 9Avenc de la Penya dels UllsOs de Balaguer, Lleida30 m
- 10Cova de l'àguilaOs de Balaguer, Lleida30 m
- 11Cova dels VilarsOs de Balaguer, Lleida8 m
The 20 deepest
- 1Cova Negra de TragóOs de Balaguer, Lleida78 m
- 2Forat la NeuOs de Balaguer, Lleida57 m
- 3Avenc de la PlanaOs de Balaguer, Lleida27 m
- 4Avenc de la Penya dels UllsOs de Balaguer, Lleida24 m
- 5Lo ForicOs de Balaguer, Lleida21 m
- 6Cova Fonda de TragóOs de Balaguer, Lleida18 m
- 7Forat d'OsOs de Balaguer, Lleida14 m
- 8Cova de l'àguilaOs de Balaguer, Lleida9 m
- 9Cova del MagríOs de Balaguer, Lleida5 m
Name↕ | Length↓ | Depth↕ | Municipality↕ | Region↕ |
|---|---|---|---|---|
| Cova Negra de Tragó | 1,032 meters | 78 meters | Os de Balaguer | Noguera |
| Cova Fonda de Tragó | 277 meters | 18 meters | Os de Balaguer | Noguera |
| Lo Foric | 115 meters | 21 meters | Os de Balaguer | Noguera |
| Forat d'Os | 110 meters | 14 meters | Os de Balaguer | Noguera |
| Avenc de la Plana | 102 meters | 27 meters | Os de Balaguer | Noguera |
| Cova d'en Cristòfol | 86 meters | 0 meters | Os de Balaguer | Noguera |
| Forat la Neu | 85 meters | 57 meters | Os de Balaguer | Noguera |
| Cova del Magrí | 56 meters | 5 meters | Os de Balaguer | Noguera |
| Cova de l'àguila | 30 meters | 9 meters | Os de Balaguer | Noguera |
| Avenc de la Penya dels Ulls | 30 meters | 24 meters | Os de Balaguer | Noguera |
| Cova dels Vilars | 8 meters | 0 meters | Os de Balaguer | Noguera |
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Source: Espeleoindex (espeleoindex.com), modified. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/