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Iturrumburu

A narrow-mouthed cavity on Mount Iturrumburu, with a 4-metre shaft and another 30-metre shaft in a fissure.

Erro 35m

A narrow-mouthed cavity on Mount Iturrumburu, with a 4-metre shaft and another 30-metre shaft in a fissure.

Caratteristiche

Località

It is located on the south side of Mount Iturrumburu, near the Odia stream, at 1040 metres above sea level. To get there, take the paved track of the Sorogain ravine to its confluence with the Odia stream; from there, go to the hollow formed by Mounts Adi and Iturrumburu. Ascend the slope of Mount Iturrumburu, right where the limestone outcrops, to an altitude of 1040 metres to go in among the box trees and find the hidden pit.

Mappa

Ingressi

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  1. Iturrumburu

    Quota: 1040 m

    43.018170, -1.422040
    UTM 30T (ED 50) 628687 4764250
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Descrizione

Morfologia

The mouth is narrow, 50 x 60 cm in extent, and leads to a very narrow 4-metre shaft. This is followed by a sloping ledge with abundant allochthonous material and a 30-metre shaft in the form of a narrow fissure. At the bottom of the cavity a large quantity of stones can be seen, forming an important clastic deposit located in the deepest part of the fissure; this continues in a direction of 110°, its width varying between 15 and 20 cm.

Storia

1992/2006 Research Sorogain G.Otxola

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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