Krems an der Donau to Sion: A Scenic Alpine Road Trip Guide

The journey from Krems an der Donau to Sion covers approximately 680 kilometers across Austria and Switzerland, traversing the Danube Valley, the Alps, and the Rhône Valley. A unique fact: this route crosses the continental divide twice—first at the Arlberg Pass (1,793 m) in Austria and then at the Grimsel Pass (2,164 m) in Switzerland, offering dramatic shifts in watersheds and climates. Drivers should prepare for winding mountain roads, tolls, and variable weather even in summer. The drive typically takes 8–10 hours without stops, but exploring the many attractions easily extends it to a multi-day adventure. For tips on finding the best stops and hidden gems between cities, check out how to find the best stops and hidden gems between cities.

Geographical shifts: from the gentle hills of the Wachau Valley (a UNESCO World Heritage site just east of Krems) to the limestone Alps, then to the high alpine tundra of the Grimsel region, and finally descending into the sunny Rhône valley. The Wachau offers terraced vineyards and apricot orchards; stop at Dürnstein castle ruins. In the Alps, the Arlberg massif displays glaciated peaks, while the Grimsel Pass passes by turquoise lakes like Lake Gelmer. UNESC sites: Wachau Cultural Landscape, Hallstatt-Dachstein Salzkammergut (near Gmunden), and the Old Town of Bern. Local commerce: buy apricot liqueur in the Wachau, Tyrolean bacon at a farm stand near Landeck, and Swiss cheese or chocolate in the Valais. Roadside stalls sell wooden carvings and crystal near the Grimsel.

• Wachau: Apricot products, wine tastings
• Tyrol: Hand-carved nativity scenes, schnapps
• Valais: Raclette, dried beef, Aletsch Glacier views

The main roads include the Austrian A1 (Westautobahn) from Krems to Salzburg, then A8 and A12 to Innsbruck, followed by the Swiss A13 and A9 to Sion. Tolls apply on Austrian and Swiss motorways; purchase a vignette for Austria (€9.90 for 10 days) and Switzerland (CHF 40 per year). Fuel costs: at €1.50/L in Austria and CHF 1.80/L in Switzerland, a petrol car consumes about €100–€130 for the trip. Diesel vehicles save 10–15%. Fuel stations are abundant along highways but sparse on Alpine passes; fill up before climbing. Mountain sections require winter tires from November to April, and snow chains may be mandatory at high passes in winter.

• Austrian segment: A1 from Krems to Salzburg – well-lit, rest stops every 30 km
• Arlberg Pass: Toll road €10 – winding, fog possible
• Swiss A13: scenic but with tunnels; no tolls besides vignette

Road quality: Austrian autobahns are excellent; Swiss mountain roads are well-maintained but narrow with blind curves. Night driving: sections near Reutte can be unlit; headlights essential. Safety tips: always check brake fluid before descending passes; use low gear to avoid brake fade. Family stops: Haus der Natur in Salzburg, Swarovski Crystal Worlds in Wattens, and Fiesch Eispark glacier experience. Pet-friendly: Lech am Arlberg has many dog-friendly walks; the St. Leonard trail near Sion allows off-leash in areas. Fatigue management: take breaks at Werfenweng (playground), Landeck (picnic spots), and the Grimsel Hospiz (restaurant with panoramic views). Hidden off-route: the ruined castle of Hauenstein near Tweng, reachable via a 3-min gravel road.

• Sitip Places: Raststation Zell am See (50 km from Innsbruck) – modern facilities
• Quiet Nap Spots: parking area at Lake Gelmer, free and safe