
Esquerda Nº3 del Mas de les Fonts
A 53-metre-deep pothole in Vallirana, the deepest and most complex of the group of crevices at the Mas de les Fonts.
EspeleoWorld
Esquerda Nº3 del Mas de les Fonts
A 53-metre-deep pothole in Vallirana, the deepest and most complex of the group of crevices at the Mas de les Fonts.
Vallirana · Baix Llobregat
Sviluppo: 220 m · Profondità: 53 m
Scheda aggiornata
https://espeleoworld.com/it/c/esquerda-n-3-del-mas-de-les-fonts
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A 53-metre-deep pothole in Vallirana, the deepest and most complex of the group of crevices at the Mas de les Fonts.
Topografia
Espeleoindex · CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/ · Immagine © del suo autore.
Foto
Espeleoindex · CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/ · Immagine © del suo autore.
Descrizione
Morfologia
Of the whole group of crevices at the Mas de les Fonts it is the deepest and the most complex, since two of the entrances connect internally; the third entrance (SM-10) cannot be physically passed through.
Progressione
The most comfortable access is through the middle entrance (SM-9), where we find a large chaos of blocks followed by a P12; a false sloping floor leads us to a P16. Through the other entrance, after a 6-metre drop, we find a -37-metre shaft; once at the base, if we continue upwards we will find a narrow shaft that will take us to the deepest point of the cavity.
Storia
At the end of the 70s the ERE of the CEC explore the various crevices in the area of les Esquerdes del Mas de les Fonts and also cite them as Penya Esquerdada with different numbers to identify them; in this case they cite it with the number 3, but they only access it through the entrance of what years later the SEO would mark as SM-9.
Members of the SEO-CE Vallirana explore and survey it on 27 January 1996, naming it with the abbreviations SM-8, SM-9 and SM-10 and also Penya Esquerdada 8/9/10.
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Bibliografia
- Amenós, Toni.(1980).-“Esquerda del Mas de les Fonts”. Espeleòleg (30): 679-684.
- SEO del CE Vallirana. (2001).-“Les Esquerdes del Mas de les Fonts” Ardenya (1):1-7. Vallirana.
- Rubinat Aumedes, Francesc (2004).- “Catàleg Espeleològic del Massís de l'Ordal”. Espeleosie (Monogràfic):1-117. SIE del CE Àliga. Barcelona.
- Valles, Jordi de (2017).-”Baix Llobregat” Catàleg Espeleològic de Catalunya (Vol.6):1-468. EC Gràcia/FCE.
- Situació, coordenades i fotografies facilitades per Montse Roca i Juli Serrano (SIE-CEA), març de 2021.
Grotte vicine

Esquerda Nº6 del Mas de les Fonts
0.0 km · N
Vallirana (Baix Llobregat)
4 topo.5 foto

Sm-12
0.0 km · SE
Vallirana (Baix Llobregat)
1 topo.

Esquerda Nº5 del Mas de les Fonts
0.0 km · N
Vallirana (Baix Llobregat)
3 topo.11 foto

Cova Sm-18 de la Serra del Mas
0.0 km · SO
Vallirana (Baix Llobregat)
1 topo.6 foto
Fonte: Espeleoindex (espeleoindex.com), modificato. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/
