Z-017
Pit discovered and explored in 1970 by the Institución Príncipe de Viana, with two entrances and a development reaching 425 metres of depth.
EspeleoWorld
Z-017
Pit discovered and explored in 1970 by the Institución Príncipe de Viana, with two entrances and a development reaching 425 metres of depth.
Isaba/Izaba
Sviluppo: 1200 m · Profondità: 430 m
Scheda aggiornata
https://espeleoworld.com/it/c/z-017-isaba-izaba
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Pit discovered and explored in 1970 by the Institución Príncipe de Viana, with two entrances and a development reaching 425 metres of depth.
Descrizione
Morfologia
The entrance has two openings. The cavity reaches a drop of about 170 metres, with cascades and a vertical meander of 30 metres that leads to small shafts. The clearing of a fill of pebbles and clay leads to a small joint with a new shaft of 134 metres, called "Solitario Egoista".
Idrologia
The shaft "Solitario Egoista" leads to the Leizerola river, which is explored for 1200 metres, reaching a depth of 425 metres.
Progressione
After clearing a fill of pebbles and clay, a small joint is reached with a new shaft of 134 metres, called "Solitario Egoista", which leads to the Leizerola river.
Storia
Located and explored in 1970 by the Institución Príncipe de Viana of Pamplona and Estella.
1970/3: Institución Príncipe de Viana/Centre Routier Spéléo de Bruselas.
1989/92: Speleo Club de Gascogne.
1993: Alain Bresan-SC Gascogne ARSIP.
1993/97: M.J.C. Rodez, Alpina de Millau, G.A.E.S. Bilbao.
2009.
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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