Caves of Terrassa
Terrassa, in the Vallès Occidental, contains 11 cavities: 9 pits and 2 caves, with a total length of 365 m and a maximum depth of 84 m. The Avenc de Castellsapera is the longest (128 m) and the deepest (84 m).
Terrassa has 11 catalogued caves, including 9 potholes and 2 caves. The longest is Avenc de Castellsapera (128 m). Most caves are found in conglomerate.
Length adds each cave once (a system counts once), and depth is that of the deepest cave, canyons excluded.
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Terrassa, a municipality in the Vallès Occidental, has 11 catalogued cavities: 9 pits and 2 caves. Together they total a length of 365 m and reach a maximum depth of 84 m. The recorded lithologies are conglomerates (9), limestones (1) and sandstones (1).
The Avenc de Castellsapera is the longest cavity, at 128 m, and also the deepest, at 84 m; in the Serra de l'Obac it has an entrance 7 by 2 metres, an entrance shaft of 45 metres and a large final chamber, with restricted access from 1 November to 31 May to protect the bat colony. It is followed in length by the Caus del Guitard (83 m), a temporary spring with a narrow, muddy passage, and the Avenc de les Cantarelles (45 m).
Among the deepest cavities are the Avenc de les Cantarelles (37 m), the Avenc de la Serra del Gall (25 m), an old sinkhole of the torrent Maleït, the Caus del Guitard (23 m) and the Avenc de la Serra Llarga (10 m), first explored on 7 April 1912 by members of the Centre Excursionista de Terrassa.
The 20 longest
The 20 deepest
Map
Name↕ | Length↓ | Depth↕ | Municipality↕ | Region↕ |
|---|---|---|---|---|
| Avenc de Castellsapera | 128 meters | 84 meters | Terrassa | Vallès Occidental |
| Caus del Guitard | 83 meters | 23 meters | Terrassa | Vallès Occidental |
| Avenc de les Cantarelles | 45 meters | 37 meters | Terrassa | Vallès Occidental |
| Avenc de la Serra del Gall | 37 meters | 25 meters | Terrassa | Vallès Occidental |
| Avenc del Turó de Roques Blanques | 20 meters | 5 meters | Terrassa | Vallès Occidental |
| Avenc de la Serra Llarga | 15 meters | 10 meters | Terrassa | Vallès Occidental |
| Avenc de la Serra de la Daina | 10 meters | 7 meters | Terrassa | Vallès Occidental |
| Avenc del Torrent Maleït | 8 meters | 6 meters | Terrassa | Vallès Occidental |
| Cau de la Torrota | 7 meters | 0 meters | Terrassa | Vallès Occidental |
| Avenc del Torrent de la Carlina | 7 meters | 4 meters | Terrassa | Vallès Occidental |
| Avenc del Tòfol | 5 meters | 3 meters | Terrassa | Vallès Occidental |
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Source: Espeleoindex (espeleoindex.com), modified. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/