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Nacedero del Urederra

Most important spring in Navarra, with two tunnel mouths and about 200 m of explored passage.

Améscoa Baja 200m 11m

Most important spring in Navarra, with two tunnel mouths and about 200 m of explored passage.

Caratteristiche

Località

Mappa

Ingressi

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  1. Nacedero del Urederra

    Quota: 712 m

    42.805136, -2.133109
    UTM 30T (ED 50) 570989 4739749
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Descrizione

Morfologia

This is the most important spring in Navarra. Entry is through two tunnel mouths, from where the collection channel starts. The gallery begins in a chimney or joint plane and continues between very narrow bedding planes of great horizontal extent, running SW-NE.

Idrologia

The water flows at a lower level than the gallery.

Progressione

Progression starts from the two tunnel mouths and is initially in a chimney or joint plane, then continues between very narrow bedding planes of great horizontal extent, having penetrated about 200 m of passage.

Storia

01/11/1958: Institución Príncipe de Viana.

1988/2004: Investigación Urbasa G.E.Estella.

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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