When we were spending our holidays in France, we decided go to on a little biking adventure around Rochefort where there are really nice bike trails.
Places we visited:
Pont Transbordeur
https://www.pont-transbordeur.fr/rochefort-transporter-bridge
Abbaye de Trizay
Commune de Trizay
https://www.coeurdesaintonge.fr/index.php/communaute-de-communes-coeur-de-saintonge/les-communes/trizay-communaute-de-communes-coeur-de-saintonge
Vélodyssé
https://www.lavelodyssee.com/
Les marais de Brouage
https://www.brouage-tourisme.fr/le-marais-de-brouage