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AR-4

Cavity north of Mount Otansur, with a wide entrance leading to a 20-metre-deep pit with a narrow floor and a fork to the west.

Uharte Arakil 25m 20m

Cavity north of Mount Otansur, with a wide entrance leading to a 20-metre-deep pit with a narrow floor and a fork to the west.

Caratteristiche

Località

Located north of Mount Otansur, about 550 metres north of the path of the raso de Ata (Madozko Bidea), 1870 metres east of the summit of Artxueta and 200 metres east of the AR-3. From the raso de Ata, head in the direction of Arrateberri (northwest) along a well-marked path until reaching a wide entrance. It is also possible to approach from Urdenats.

Mappa

Ingressi

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

  1. Ar-4

    Quota: 1010 m

    42.960059, -1.942330
    UTM 30T (ED 50) 586372 4757131
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Descrizione

Morfologia

Wide entrance leading to a 20-metre pit, with a narrow floor and a fork to the west.

Progressione

From the raso de Ata, head in the direction of Arrateberri (northwest) along a well-marked path until reaching a wide entrance; it is also possible to approach from Urdenats.

Storia

1986: G. GAES de Bilbao.

2004: Investigación Aralar G.Satorrak.

2006: Investigación Valle de Ata 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