Caves of the Maresme
El Maresme brings together 10 cavities: 8 caves and 2 pits, with 169 m of total passage and 14 m of maximum depth. Limestone (6) and granite (4) predominate. Avenc de les Aranyes is the longest cavity (72 m) and the deepest (14 m).
The Maresme region has 10 catalogued caves, including 2 potholes and 8 caves. The longest is Avenc de les Aranyes (72m). 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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El Maresme gathers 10 inventoried cavities: 8 caves and 2 pits. Together they total 169 m of passage and reach a maximum depth of 14 m. By lithology, 6 cavities develop in limestone and 4 in granite.
The most notable cavity is Avenc de les Aranyes, with 72 m of passage and 14 m of depth, in the Montnegre (Tordera, el Maresme), on the southern slope of the serra de l'Avetar, below a path from Can Soler to Hortsavinyà. It is followed in length by Cau de les Formigues (19 m), a small granite cavity in the Montcabrer with three entrances, near cova dels Tres Cercles, and Cavorca de Roca Andera (18 m), a cave in Tordera, in the Bagueny de Rupit, known since time immemorial and explored by the GE Badalona on 8-12-2001.
Other cavities are Cova del Pontet (11 m), a small granite tunnel in the municipality of Dosrius, and Forat Bufador (11 m), a small pit 5 m deep in Tordera, known since remote times and surveyed in 2007 by the G.E. Badalona.
Map
Municipalities
The figures of these places do not add up to the total: a cave can be in more than one place, or in none when its location has no lower level.
The 20 longest
- 1Avenc de les AranyesTordera, Barcelona72 m
- 2Cau de les FormiguesCabrera de Mar, Barcelona19 m
- 3Cavorca de Roca AnderaTordera, Barcelona18 m
- 4Cova del PontetDosrius, Barcelona11 m
- 5Forat BufadorTordera, Barcelona11 m
- 6Forat de l'ErolaTordera, Barcelona11 m
- 7Cova de les EncantadesCabrera de Mar, Barcelona9 m
- 8Cova del ParadorMalgrat de Mar, Barcelona8 m
- 9Cova del PitxiTordera, Barcelona6 m
- 10Cova dels Tres CerclesCabrera de Mar, Barcelona4 m
The 20 deepest
- 1Avenc de les AranyesTordera, Barcelona14 m
- 2Cau de les FormiguesCabrera de Mar, Barcelona6 m
- 3Forat BufadorTordera, Barcelona5 m
- 4Forat de l'ErolaTordera, Barcelona4 m
- 5Cavorca de Roca AnderaTordera, Barcelona3 m
- 6Cova de les EncantadesCabrera de Mar, Barcelona3 m
- 7Cova del PitxiTordera, Barcelona1 m
- 8Cova del PontetDosrius, Barcelona1 m
- 9Cova dels Tres CerclesCabrera de Mar, Barcelona1 m
Name↕ | Length↓ | Depth↕ | Municipality↕ | Region↕ |
|---|---|---|---|---|
| Avenc de les Aranyes | 72 meters | 14 meters | Tordera | Maresme |
| Cau de les Formigues | 19 meters | 6 meters | Cabrera de Mar | Maresme |
| Cavorca de Roca Andera | 18 meters | 3 meters | Tordera | Maresme |
| Forat de l'Erola | 11 meters | 4 meters | Tordera | Maresme |
| Forat Bufador | 11 meters | 5 meters | Tordera | Maresme |
| Cova del Pontet | 11 meters | 1 meters | Dosrius | Maresme |
| Cova de les Encantades | 9 meters | 3 meters | Cabrera de Mar | Maresme |
| Cova del Parador | 8 meters | 0 meters | Malgrat de Mar | Maresme |
| Cova del Pitxi | 6 meters | 1 meters | Tordera | Maresme |
| Cova dels Tres Cercles | 4 meters | 1 meters | Cabrera de Mar | Maresme |
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Source: Espeleoindex (espeleoindex.com), modified. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/