Landshut to Thun Road Trip: Ultimate Driving Guide

The A92 motorway from Landshut to Munich sets the stage for a transalpine journey to Thun. This route passes through the stunning Allgäu region and crosses the Swiss border near St. Margrethen, covering about 400 km. The drive typically takes 4.5 to 5.5 hours without stops.

Interestingly, the stretch near Kempten hosts one of Germany's longest road tunnels, the Tunnel der Bundesstraße 12, at 2.1 km. This corridor blends Bavarian farmlands with Alpine foothills, offering diverse scenery.

The landscape transitions from the Isar river valley near Landshut to the rolling hills of the Allgäu. As you pass Kempten, the Alps emerge on the horizon. The Swiss segment between St. Margrethen and Thun follows the Aare river valley, with dramatic cliffs and forests.

For authentic regional goods, stop at a Bauernhof (farm shop) near Memmingen for fresh cheese or honey. In Switzerland, try Thun's local market for Emmentaler cheese.

• Natural attractions: Lake Constance viewpoint near Bregenz, Rheinfall near Schaffhausen (detour 30 min), and the Aare Gorge near Meiringen.
• UNESCO sites: Old Town of Bern (approx. 30 km from Thun) and the Benedictine Convent of St. John in Müstair (detour 2 hours).
• Best stops Landshut to Thun for culture: Augsburg's Fuggerei and Bregenz's Festspielhaus.

To find unique hidden gems, check out how to find the best stops and hidden gems between cities.

The primary route uses A92, A99, A96, A7, A14, and Swiss A1. Tolls apply in Switzerland; a vignette (40 CHF) is mandatory for cars. Fuel stations are frequent along German autobahns, but reduce in Switzerland outside of service areas.
For fuel efficiency, maintain 100-110 km/h on flat sections and use cruise control. Estimated fuel cost: around 60-70 EUR for a petrol car (7 L/100 km).

• Specific highways: A92 (Landshut-Munich), A99 (Munich ring), A96 (Munich-Memmingen), A7 (Memmingen-Kempten), A14 (Austrian detour possible), Swiss A1 (St. Margrethen-Bern-Thun).
• Driving time: 4 hours 45 minutes non-stop, but plan 6-7 hours with breaks.
• Best stops Landshut to Thun: Augsburg old town, Allgäu Skyline Park (near Kempten), Lake Constance views at Bregenz, and Interlaken.

For those wondering how long to drive Landshut to Thun, the direct answer is 4.5 hours. However, factoring in traffic near Munich and customs at the border, allocate 5-6 hours.

Road quality is excellent overall. German autobahns are well-maintained with frequent emergency phones. Swiss motorways are top-notch but have stricter speed enforcement (120 km/h on A1). Night illumination is good except in remote Allgäu tunnels. Use daytime running lights in both countries.

For family stops, consider Ravensburger Spieleland (near Ravensburg) or the Swiss Transport Museum in Lucerne (detour 1 hour). Pet-friendly stops include the Hundewiese at Lake Constance parks near Friedrichshafen.

• Safety tips: Keep a reflective vest in car (mandatory in Switzerland), carry a first-aid kit, and respect speed limits.
• Fatigue zones: Rest areas near Illertissen (A7) and Herisau (Swiss A1) have shaded parking and benches. Ideal for a 20-minute nap.
• Hidden off-route spots: Visit the abandoned castle ruin of Hohenfreyberg near Kempten (5 min off A7).

Climatic conditions: In autumn, fog often settles in the Alps valleys by evening. Plan to reach Thun before dusk for the best sunset views over the lake.