Tunnel du Mont Blanc closure
Maintenance work to be carried out in the tunnel from September to December.
Mont Blanc tunnel will be closed for works September to December 2025.
For winter 2025/2026 light vehicles, commercial vehicles and motorhomes must:
- either be fitted with metal or textile snow chains in the luggage compartment, enabling at least two wheels to be fitted
- be fitted with four winter tyres
Queues may build up ahead of the Mont Blanc tunnel re-opening in the mornings, so plan your travel accordingly.
