THE MEDOUS CAVES

In Aste, in the Park of the old monastery of the Capuchin friars. 
Listed as 3rd in the world, discovered in 1948.
The Grand Organ Pipe Room, The Former Polar landscape Room, The Patriach’s Waterfall, The Quiet River that you will travel along on a two hundred meter boatride on the limpid and bluish water of the river called "Adour".. 
lenght of visit  : 3/4 hour. The big room of the Cervin, and the other marvels of Medous will impress all cave-lovers..

Open from July  1^st  to August 31^st :  9AM to 12PM and  2PM to 6PM.  From April 1^st to June 30^th and from September 1^st to October 15^th :9h AM to 11h30AM and 2PM to 5h00PM.   

To visit their website