Train from Sion to Altdorf

🇨🇭 Sion → 🇨🇭 Altdorf

Straight-line Distance

121 km

NE (53.0°)

Rail Distance

~157 km

Estimated by rail

Travel Time

~44m

High_Speed

CO2 Saved vs Flight

91.3%

28.0 kg less CO2

Environmental Comparison

Train

High_Speed

CO2 Emissions 2.7 kg

Flight

Economy class

CO2 Emissions 30.7 kg

Taking the train saves 28.0 kg CO2 (91.3% less emissions)

Route Information

Requires Transfer

Stations on This Route

🇨🇭

Origin

Sion
🇨🇭

Destination

Altdorf

Journey Tips

This Swiss journey from Sion in the Valais to Altdorf in Uri, the legendary home of William Tell, routes via Brig and through the Gotthard region before descending into the Reuss Valley. Altdorf has a famous Tell monument in its main square and is easily reached from Lucerne by lake steamer.

Scenic Highlight

The descent from the Gotthard region into the Reuss Valley toward Altdorf, where the river opens toward the Vierwaldstättersee, offers a beautiful Alpine approach to this historically significant Swiss town.

Booking Tip

Book via SBB.ch; Swiss Travel Pass covers the complete domestic journey, and Altdorf is best combined with a boat trip on Lake Lucerne from Flüelen, connecting the William Tell legend sites.

Continue Your Journey

Continue from Altdorf

🇨🇭 Bellinzona 82 km 🇮🇹 Como San Giovanni 123 km 🇨🇭 Frutigen 81 km 🇨🇭 Göschenen 24 km 🇨🇭 Interlaken Ost 62 km

Also from Sion

🇨🇭 Sierre/Siders 15 km 🇨🇭 Disentis/Muster 126 km 🇨🇭 Andermatt 105 km 🇨🇭 Bellinzona 129 km 🇨🇭 Brunnen 128 km

Frequently Asked Questions

The estimated train journey from Sion to Altdorf takes approximately 44m. This estimate is based on a rail distance of ~157 km using a high_speed service.
The estimated rail distance from Sion to Altdorf is approximately 157 km (121 km straight-line). Rail routes are longer than straight-line distances because tracks follow terrain and connect intermediate cities.
Travelling by train from Sion to Altdorf emits approximately 2.7 kg of CO2, compared to 30.7 kg by flight. Taking the train saves 28.0 kg of CO2 — a 91.3% reduction in emissions.
The route from Sion to Altdorf typically requires at least one transfer. Check operator timetables for the most direct connection available.
Check regional and national rail operator websites for services between Sion and Altdorf.

Train vs Flight comparison

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Data last updated: 2026-02-27