Sumidero en la sierra de Aralar. La boca de la sima u hoyo en donde se sumía el río se llenó de brozas durante las inundaciones del año 1953 y actualmente aparece una pequeña planicie cubierta de brozas y hojarasca en donde se filtran las aguas.
This website uses cookies, both its own and those of third parties. Select the option of cookies that you prefer to navigate even its total deactivation. If you click on the button "I accept" you are giving your consent for the acceptance of the mentioned cookies and the acceptance of our cookies policy. If you want to determine what you accept and what you don't, click on "Configuration". Click on the "Read more" link for more information.