Calais to Sion Road Trip: 13 Stops & Scenic Alpine Drive

The A16 from Calais is the first of many contrasts on this 800-kilometer route to Sion. You'll drive from sea level to over 1,200 meters in elevation, crossing three climate zones and two language borders. The road itself – the A16, then A26, A5, A40, and finally the Swiss A1 and A9 – tells a story of European integration, with each section built in a different decade.

This guide answers the key questions: best stops Calais to Sion, how long to drive Calais to Sion, and is it worth driving Calais to Sion? You'll find that the journey, planned well, becomes as memorable as the destination. For more tips on discovering hidden gems, check out how to find the best stops and hidden gems between cities.

Infrastructure Safety & Road Quality

French autoroutes have emergency phones every 2 km, well-lit rest areas, and strict speed enforcement (radars). The Swiss A9 has many tunnels with strict speed limits (80 km/h in some) and automated safety systems. Road quality is generally high, but be aware of construction zones (especially near Lausanne) and wildlife crossings in the Jura.

Fatigue Management & Rest Zones

Authorized rest stops every 20-30 km on French autoroutes (many with free toilets and vending machines). The best rest areas for a longer break (with playgrounds, picnic tables) are:

• Aire de la Haute Borne (A26 near Reims) – play area, 24h café
• Aire de la Lône (A40 near Bourg-en-Bresse) – large parking, showers
• Raststätte Rottenschwil (A1 near Zurich – not on route) but for Swiss A9: stop at Aire de Saxon (playground, gas station)

For drivers, take a 15-min break every 2 hours. The Dijon area has several city parks (like Jardin Darcy) for a quick walk.

Family and Child Suitability

This route is excellent for families. The recommended stop at Reims includes a 3D movie experience at Champagne cellars (some are kids-friendly). Near Dijon, the Parc de l'Auxois (zoo and amusement park) is a 20-min detour. In Switzerland, the Swiss Vapeur Parc in Bouveret (near Montreux) is a miniature train park with rides.

• Baby changing facilities at all major toll stations (Aire de service)
• Many restaurants (Buffalo Grill, Flunch) have kids' menus
• Bring car games (license plate bingo) – Swiss cantonal plates are varied

Pet-Friendly Framework

Switzerland and France allow pets in cars with a harness or travel crate. Most hotels along the route accept pets (€10-20 extra). Rest stops: Aire de la Haute Borne has a designated dog area (petanque). In Switzerland, dogs are allowed on the train-like cogwheel to Rochers-de-Naye (from Montreux) – a half-day excursion that is pet-friendly.

Culinary Infrastructure

The route is a gastronomic corridor. In Reims, try the local biscuits (rose de Reims) and champagne. In Dijon, mustard shops (Maille) and boeuf bourguignon. In Switzerland, the Valais region (around Sion) is famous for raclette, fondue, and dried beef (viande séchée). For a cheap meal, stop at a Boulangerie in France (€5 for a sandwich and pastry) or a Coop supermarket in Switzerland (€10 for a decent salad).

Local Commerce & Culture

Along the route, you'll find regional products at farmers' markets. In Reims, the Marché du Boulingrin (Saturdays) is a covered market. In Dijon, the Marché d'Enfants (Wednesday and Saturday) sells local cheeses. In Montreux, the Christmas market (December) or the weekly market on Saturdays. In Sion, the Old Town market (Tuesdays and Fridays).

Fuel Economics

Fuel prices vary considerably along the route. In France, expect €1.85/L for diesel and €2.00/L for petrol at autoroute stations. In Switzerland, prices are slightly lower (€1.70/L diesel) but require a vignette (€40 for 1 year) for highway use. The most cost-effective strategy is to fill up at hypermarkets just off the autoroute, such as Leclerc or Carrefour, which can be 10-15% cheaper.

• Calais Region: Fuel at Auchan Calais (€1.75/L diesel) – exit 13 on A16
• Reims Area: Leclerc Reims (€1.72/L) – exit 24 on A26
• Dijon: Carrefour Dijon Nord (€1.73/L) – A31 exit 4
• Swiss Border: Fill up in France at Annemasse before crossing; Swiss stations are about 5% cheaper once on highway

Road Quality and Toll Costs

The French autoroutes (A16, A26, A5, A40) are excellent, with smooth asphalt and clear signage. Tolls from Calais to the Swiss border total approximately €75 for a standard car. The Swiss motorways require the vignette. Once in Switzerland, the A1 and A9 are well-maintained but have many tunnels; the longest is the 9.2 km Mont Blanc tunnel (toll €50 one-way) if you take that detour, but the direct route via Martigny is tunnel-free.

• Calais to Reims: Toll €28
• Reims to Dijon: Toll €22
• Dijon to Geneva: Toll €25
• Swiss Highway: Vignette €40 (purchase at border or any post office)

UNESCO World Heritage Sites

The route passes within reach of two UNESCO sites: the Champagne hillsides in Reims (30 min detour) and the Lavaux Vineyards in Switzerland (along the A9 near Montreux). Both offer dramatic landscapes and wine-tasting opportunities.

• Reims (Champagne region): Visit the Cathedral of Notre-Dame de Reims (UNESCO) and the champagne houses like Taittinger or Veuve Clicquot. Don't miss the Palais du Tau.
• Lavaux Terraces: A 30-minute walk from the A9 exit at St-Saphorin. The terraced vineyards overlook Lake Geneva; local wineries like Domaine Croix Duplex offer tastings.

Hidden Off-Route Spots

Between Dijon and Geneva, the A40 bypasses the Jura Mountains. Take the D91 from Champagnole to Les Planches-en-Montagne for the Cascades du Hérisson – a series of waterfalls that require a 1-hour hike. Another gem is the medieval village of Arbois (30 min south of Dole), birthplace of Louis Pasteur, with a small museum and local vin jaune.

In Switzerland, after Lausanne, exit at Bex (A9 exit 17) to visit the Bex salt mines (underground tours lasting 1.5 hours). This is a family-friendly activity (€15/adult).

Climatic Conditions & Route Aesthetics

The drive is best in late spring (May-June) or early autumn (Sep-Oct). Summer can be hot in the Rhône valley (35°C), while winter brings snow at high altitudes (above 800 m) and occasional closures on the A9 near Sion. The aesthetic changes dramatically from the flat, agricultural plains of Picardy to the rolling hills of Burgundy, then the Jura forests and finally the Alpine Rhône valley.

• Spring: Poppy fields in Champagne, green vineyards
• Summer: Heat haze over Rhône, crowded rest stops
• Autumn: Wine harvest in Burgundy and Lavaux, golden larch trees in Alps
• Winter: Snow-capped peaks near Sion, possibility of chain requirement; check road conditions at MeteoSuisse