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P-24

A cavity in a karst of deep dolines beneath limestone cliffs, with a 20 x 10 metre depression and a 24 metre shaft with smooth walls.

Valle de Yerri/Deierri 24m

A cavity in a karst of deep dolines beneath limestone cliffs, with a 20 x 10 metre depression and a 24 metre shaft with smooth walls.

Caratteristiche

Località

It is reached by the path going from Larrobi to Ailola, in one of the depressions that rises to its left in a W-E direction. The N260 fault follows the alignment of dolines and presents a powerful limestone cliff beneath which, in its eastern part, a 20 x 10 metre depression opens; at its lowest point the mouth of the cavity opens, among moss-covered blocks, beneath the cliff formed by the fault plane.

Mappa

Ingressi

Verifica sempre le coordinate e le condizioni di accesso prima di partire.

  1. P-24

    Quota: 1040 m

    42.813378, -2.081437
    UTM 30T (ED 50) 575204 4740709
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Descrizione

Morfologia

The karst presents alignments of deep dolines beneath limestone cliffs, with numerous cracks and abundant vegetation. The 20 x 10 metre depression opens in the eastern part of the cliff; descending by the eastern side, the mouth opens at the other end. After a 24 metre vertical with smooth walls one reaches the bottom, to a small chamber in which a chimney covered with flowstone opens. The bottom is completely filled in by detritus.

Concrezioni

In the small chamber at the bottom a chimney covered with flowstone opens.

Progressione

Descending by the eastern side, the mouth opens at the other end, which after a 24 metre vertical with smooth walls leads at the bottom to a small chamber.

Storia

1989/2006 Research Urbasa G.E.E

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Fonte: Gobierno de Navarra – Catálogo espeleológico de Navarra (datosabiertos.navarra.es), modificato. CC BY 4.0, https://creativecommons.org/licenses/by/4.0/ Gobierno de Navarra · dati aggiornati a 2022