Forat Gran de Prat Sobirà
Cavitat inèdita de 28 m de fondària a Coll de Nargó (Boumort)
EspeleoWorld
Forat Gran de Prat Sobirà
Cavitat inèdita de 28 m de fondària a Coll de Nargó (Boumort)
Coll de Nargó · Alt Urgell
Length: 72 m · Depth: 28 m
Updated record
https://espeleoworld.com/en/c/forat-gran-de-prat-sobira
Information can change. Always verify coordinates, access, weather, and cave conditions before setting out.
Unprecedented cavity 28 m deep in Coll de Nargó (Boumort), located and explored on 23 August 2024.
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
A large 8x4 m entrance leads to a gallery descending as a ramp about 8 m high, which gradually narrows. At a depth of -20 m a large block bars the way; once past it, via a -2 m drop, the gallery continues descending to -28 m, where it ends choked with small blocks. A few metres before, one can climb about 3 m and advance horizontally a few more metres until the fissure becomes very narrow.
Progression
A large 8x4 m entrance leads to a gallery descending as a ramp about 8 m high, which gradually narrows. At a depth of -20 m a large block bars the way; once past it, via a -2 m drop, the gallery continues descending to -28 m, where it ends choked with small blocks. A few metres before, one can climb about 3 m and advance horizontally a few more metres until the fissure becomes very narrow.
History
This cavity was certainly known since ancient times by the local people, but it had not become known in the speleological world. It was located and explored on 23 August 2024 by Joan Carles Juderias and Josep Guarro while prospecting points observed with LIDAR cartography. The same day they also located the Forat Petit de Prat Sobirà, without being able to enter it since the entrance would need to be cleared. The same people returned on 22 December of the same year to survey it.
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Bibliography
Totes les dades, topografia i fotografies han estat facilitades pels exploradors de la cavitat.
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Source: Espeleoindex (espeleoindex.com), modified. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/