Esquerda Nº1 del Mas de les Fonts
A 38-metre-deep fissure in Vallirana, known as the Esquerda del Mas de les Fonts.
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Esquerda Nº1 del Mas de les Fonts
A 38-metre-deep fissure in Vallirana, known as the Esquerda del Mas de les Fonts.
Vallirana · Baix Llobregat
Length: 95 m · Depth: 38 m
Updated record
https://espeleoworld.com/en/c/esquerda-n-1-del-mas-de-les-fonts
Information can change. Always verify coordinates, access, weather, and cave conditions before setting out.
A 38-metre-deep fissure in Vallirana, known as the Esquerda del Mas de les Fonts.
Topographic
Espeleoindex · CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/ · Image © its author.
Photos
Espeleoindex · CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/ · Image © its author.
Description
Morphology
Of the whole set of fissures of the Mas de les Fonts it is the best known. The upper opening gives access to a 36-metre shaft. The lower opening is wider and easy to access; after descending into a small chamber, a narrow passage connects with a 20-metre shaft. The base forms a descending gallery 18 metres long until it becomes impassable. This gallery sector connects with the base of the 36-metre shaft.
History
Although the first exploration is attributed to Font i Sagué, and he mentions it in his catalogue, nowhere does he say that he has been there. In the article on the Font d'Armena he does not even mention it.
Rafael Amat i Carreras explores it for the first time on 24 August 1925 and names it Esquerda del Mas de les Fonts. He considers that he may have descended to -50 metres, throws a stone and calculates that the fissure descends some 50 metres further.
In 1963, the people of the Club Muntanyenc Barcelonès explored it again and give it a depth of 40 metres. They also call it Esquerda del Mas de les Fonts.
At the end of the 70s it is explored by the ERE of the CEC, where they cite the different fissures as Penya Esquerdada, with different numbers to identify them, in this case number 1.
On 28 November 1995 it is explored and surveyed by members of the SEO-CE Vallirana, they name them with the initials SM-3/4.
Bio
Troglocharinus Ferreri Reitt.
13 specimens collected in August 1936 by Noel Llopis Lladó.
14 and 32 specimens collected respectively on 6 April 1975 and 11 September 1976 by Oleguer Escolà i Boada.
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Bibliography
- Font i Sagué, N. (1898).- “Un descobriment espeleològich (teoria de la Font d'Armena)” Butlletí. CEC (45): 237-248; (46): 265-276. Centre Excursionista de Catalunya. Barcelona.
- 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.
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Esquerda Nº5 del Mas de les Fonts
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Source: Espeleoindex (espeleoindex.com), modified. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/