モンタニー＝シュル＝グロスン周辺のアトラクション＆必見スポット - トップ20

Bring a light jacket; it can get cold inside. For those with vision problems, don't be afraid; the lighting isn't too bright.

The Tunnel du Bois Clair is a former railway tunnel and at 1.6 km the longest tunnel in France now open to a greenway. It takes 4 to 6 minutes to cross by bike, 6 to 10 minutes on rollerblades and 15 to 20 minutes on foot, horse riders are not allowed to pass. The temperature is around 11 °C. There is a lighting system, but it is best to bring extra lighting on your bike... As this tunnel is home to protected species of bats, it is closed during hibernation (from October to April). In this case, a route is offered to bypass the tunnel, taking the circular trail n°14 (4 km, level: expert). A picnic area is located above the tunnel if you are coming via Cluny.

Occupied by bats, this tunnel is obviously often closed to protect them.

Please note that the Bois Clair tunnel has closing periods: https://www.cluny-tourisme.com/visites-incontournables/le-tunnel-du-bois-clair/#ouverture If it is closed you will have to go through the Bois Clair pass which has the same name but not the same height difference. Good luck!

This tunnel is impressive in its length!

See the paintings by Jean Fusaro inside.

Wet tunnel, you go in clean, you come out dirty, especially if you don't have a mudguard.

At 1.6 kilometers long, it is the longest tunnel in France accessible by bike and open to a greenway. Don't forget to bring warm clothing when crossing, because the interior temperature is only around 11°C! The Bois Clair tunnel is used by cyclists and pedestrians; it was once a railway line. It is home to a population of protected bats which come to hibernate there. This is why it is closed between October and April. You must then use the diversion via route 14 which takes the Cluny road and the D17.