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Ur-II

A cavity opened in a doline east of Mount Aitzea, with chambers and a flat-out crawl where a strong draught blows.

Sierra de Aralar

A cavity opened in a doline east of Mount Aitzea, with chambers and a flat-out crawl where a strong draught blows.

Caratteristiche

Località

At the entrance of the Ilobi ravine we will head East, skirting the slope of Mount Aitzea. Without descending much toward the East, some aligned dolines can be seen, the first ones on the East slope of Aitzea toward the North. It is in one of these small dolines, on its East side, that the mouth of this cavity opens.

Mappa

Ingressi

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  1. Ur-II

    Quota: 1241 m

    42.987358, -1.995808
    UTM 30T (ED 50) 581974 4760109
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Descrizione

Morfologia

After a dig, a 40x30 cm passage opened into a chamber with an inclined ceiling coinciding with the bedding. In the lower part of the chamber there is a small passage obstructed by a block. This year digging has been carried out at the base of the chamber, allowing passage into another small chamber that hangs among a chaos of blocks and in which a small flat-out crawl appears again.

Progressione

The strong draught present at this point indicates a possible continuation, although this block prevents us from verifying it; in the small flat-out crawl a strong draught still exists.

Storia

2001/2/3 Research Aralar 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