Visit the surrounding, visit the region that you can try during your stay at the castle.
From the castle of Issus you can visit Toulouse and its city of space, the beautiful city of Carcassonne, the cathedral and the Toulouse-Lautrec Museum of Albi, Montauban, go to the Pyrenees, go to the Gers to visit castles and museums. You will see the Canal du Midi and you can take a barge to sail a few hours on the canal.
You can enjoy nature, make excursions or tours organized by the tourist office of Toulouse
Many opportunities are available to you in the Toulouse area.
https://www.planetadunia.com/2018/10/haute-garonne-memoria-viva-del-canal-du.html
You will find activities for all tastes.