Chambéry to Locarno: Alpine Road Trip Guide

The drive from Chambéry (France) to Locarno (Switzerland) covers approximately 360 km via the A43, A40, and Swiss A13. The fastest route takes you through the Mont Blanc tunnel (toll, about €50) and the Italian A5, then over the Simplon Pass or through the Swiss A13. A unique historical fact: the Mont Blanc tunnel, opened in 1965, was the longest road tunnel in the world for decades, connecting France and Italy under the highest peak in the Alps. Local driving quirk: in Switzerland, you must purchase a vignette (sticker) for highway use (CHF 40 per year). Estimated driving time without stops: 4-5 hours, but plan for 6-8 hours with breaks.

This guide answers: best stops Chambéry to Locarno, how long to drive Chambéry to Locarno, is it worth driving Chambéry to Locarno, things to do between Chambéry and Locarno. For more tips on finding hidden stops, see how to find the best stops and hidden gems between cities.

The route from Chambéry to Locarno combines French autoroutes, Italian highways, and Swiss expressways. The most direct route uses the A43 from Chambéry to the Mont Blanc tunnel, then the Italian A5 through the Aosta Valley, and finally the Swiss A13 (or A2 via Simplon) to Locarno. Toll costs: French autoroute (~€20), Mont Blanc tunnel (~€50), Italian A5 (~€10), Swiss vignette (CHF 40). Total tolls approximately €80-€90. Fuel: petrol stations are frequent on highways, but plan stops in Chambéry (France), Aosta (Italy), and Bellinzona (Switzerland). Fuel prices in Switzerland are higher; fill up in Italy.

• French segment: A43, well-maintained, 130 km/h limit, many rest areas.
• Mont Blanc tunnel: 11.6 km, single bore, strict speed limit (70 km/h), temperature around 10°C inside.
• Italian A5: winding through valleys, 110 km/h limit, tunnels and bridges.
• Swiss A13: mountain highway, 120 km/h limit, scenic views of the Alps.
• Alternative: via the Grand Saint Bernard tunnel (toll) or Simplon Pass (no toll, but longer and winding).

The Alpine landscapes are the highlight of this drive. From the Chartreuse mountains near Chambéry to the Mont Blanc massif, then the Aosta Valley with its Roman ruins and vineyards, and finally the Swiss Alps around Locarno. The entire route is dotted with natural parks, lakes, and viewpoints. Local commerce includes cheese and wine shops in France, artisan gelaterias and salumi in Italy, and Swiss chocolate and watch stores.

• Chambéry: known for its ducal palace and Chartreuse liqueur.
• Mont Blanc area: viewpoints at Col de la Seigne (hiking) and Argentière.
• Aosta: Roman theater and arches, local Fontina cheese.
• Swiss leg: vineyards in the Ticino region near Locarno.
• Best hidden gem: the village of Ornavasso in Italy, with a waterfall and medieval bridge.

UNESCO World Heritage Sites along or near the route: the Mont Blanc massif (part of the Monte Rosa UNESCO Global Geopark), the Vineyard Landscape of Piedmont (Langhe-Roero and Monferrato) is a bit south, and the Swiss Alps Jungfrau-Aletsch is far east. However, the entire alpine landscape is a UNESCO World Heritage site (listed as “Tectonic Arena Sardona” is north, but the Swiss Alps are recognized). The Aosta Valley has no UNESCO site but has the Roman monuments.

Road quality is excellent throughout. French and Swiss highways have emergency phones and frequent rest areas. The Mont Blanc tunnel has strict safety protocols: no U-turns, maintain distance, and obey signs. In Italy, tunnels can be narrow; use headlights. Weather can change quickly in the mountains; snow may occur even in late spring on passes. Recommended stops: Aire de la Charmette (France, kids play area), Autogrill at Ivrea (Italy, good food), Bellinzona rest area (Switzerland, playground).

• Family suitability: very high; many rest areas have playgrounds and clean facilities.
• Pet-friendly: most rest areas allow dogs on leash; Mont Blanc tunnel requires pets to stay inside car.
• Fatigue management: plan a break every 2 hours; ideal stops include Aosta (visit Roman ruins) and Domodossola (Italy, charming old town).
• Safety: winter tires required in France and Italy from Nov 1 to March 31; carry chains in Swiss passes.
• Hidden off-route spot: the village of Gignod (Italy) for a cheese farm visit.