Half way on your road from Toulouse to Andorra you turn right at Tarascon/Ariège into the Vicdessos-valley. Near the village Olbier you climb onto the hill with the ruins of a medieval castle on the top.
From 2004 to 2007, excavations have been done up here. Have a nice walk up there trough a little cave – you better put your walking shoes on! – and discover this site, its history (a few english explanations are there) and the view.
A vestige of the wall tower was defending the entrance of the site.
The castle had two different parts: an upper castle for garrison and lords and a lower village. There you see the remains of houses of the Middle Ages built with wood, mud and thatch. A hole of a wooden pool is still to be seen in the limestone.
Next to the keep were different buildings. An ancient watertank and different fireplaces have been found by the archaeologists as well as 10 000 items from differents periods from latest Bronze Age to the late Middle Ages. .