Route: GR de Pays Coteaux du Layon et de la Loire (France)

The GR de Pays Coteaux du Layon et de la Loire is a stunning path along rivers, castles, hills. You will see and cross many vineyard. A few parts are wide and brand new, but most of it is single track. You will get through very unique villages. 

https://www.anjou-tourisme.com/fr/diffusio/randonnees/gr-de-pays-coteaux-du-layon-et-de-la-loire-bellevigne-en-layon_TFOITIPDL049V508QPF