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Thorrenc, castle, tunnel and viaducts

Charming village with a beautiful castle (private), a large viaduct from an old railway line that ran from Firminy to Saint-Rambert d'Albon.
Lac de Vert, tunnels and viaduct from Talencieux

Starting from Talencieux, the route passes by Lac de Vert, then the Midon tunnel and a short detour through the countryside before returning to the old railway line to cross the Thorrenc Viaduct, the Thorrenc Tunnel and the Thorrenson Viaduct. Don't forget a headlamp or other light for crossing the two tunnels.