Avenc de la Palmera
A 45-metre-deep pit in Sitges, discovered and cleared on 23 March 1969, explored to -45 metres in November 1987.
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Avenc de la Palmera
A 45-metre-deep pit in Sitges, discovered and cleared on 23 March 1969, explored to -45 metres in November 1987.
Sitges · Garraf
Length: 51 m · Depth: 45 m
Updated record
https://espeleoworld.com/en/c/avenc-de-la-palmera
Information can change. Always verify coordinates, access, weather, and cave conditions before setting out.
A 45-metre-deep pit in Sitges, discovered and cleared on 23 March 1969, explored to -45 metres in November 1987.
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
The rather small entrance, 0.30 x 0.40 metres, gives way to a narrow shaft in the form of an inclined tube down to -3 metres, where it becomes vertical and 1.5 metres further down the width of the passage narrows to 0.20 x 0.35 metres. The bottom at 8.5 is very small in size and through a hole in the lower part, which was chipped during the first exploration, one reaches a narrow, elongated chamber of 3 x 0.80 metres. On the south wall and one metre from the bottom, a fissure that connects with another that opens in the floor leads us to the head of a 38-metre pit. The pit widens as it descends, forming a circular section of 1.2 x 1.5 metres, interrupted only by a small ledge and rock bridge.
Speleothems
The narrow, elongated chamber has walls covered with stalagmitic flowstone that reaches the floor.
History
Discovered and cleared on 23 March 1969 by members of the Equip de topografia Alpina de la Creu Roja de Sant Cugat and of the Vallvidrera delegation of the Centre Excursionista Àliga. It was explored to -8.5 metres, where a thick flowstone makes continuation impossible, although they made a sounding that gave them 35 metres more.
It is not until November 1987 that it receives a visit from the GES del CMB and the clearing is carried out that currently allows access to -45 metres of depth.
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Bibliography
- Rovira, J; García,J.J. (1971).-”Nuevas simas descubiertas en el Pla de Campgràs”. Espeleosie (10):34-62. SIE-CE Àliga. Barcelona.
- Borràs, J. (1973).-Catálogo Espeleológico del Macizo de Garraf (I):1-156.Barcelona.
- Gual Balcells,Jordi; Ferre Masdeu, Arnald; Monte Gamboa,Agustí.(1993).- “Garraf, antics avencs, noves fondàries” Sota Terra (7): 20-25. GES - CMB. Barcelona.
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Source: Espeleoindex (espeleoindex.com), modified. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/