Train from Sion to Leuk

🇨🇭 Sion → 🇨🇭 Leuk

Straight-line Distance

24 km

ENE (66.6°)

Rail Distance

~31 km

Estimated by rail

Travel Time

~33m

Regional

CO2 Saved vs Flight

79.0%

4.8 kg less CO2

Environmental Comparison

Train

Regional

CO2 Emissions 1.3 kg

Flight

Economy class

CO2 Emissions 6.1 kg

Taking the train saves 4.8 kg CO2 (79.0% less emissions)

Route Information

Requires Transfer

Stations on This Route

🇨🇭

Origin

Sion
🇨🇭

Destination

Leuk

Journey Tips

SBB regional trains run frequently between Sion and Leuk in around 15-20 minutes along the Rhône Valley. Leuk is the gateway to Leukerbad, Switzerland's largest thermal spa resort, set in a dramatic cirque below the Gemmi Pass. Swiss Travel Pass covers this short hop.

Scenic Highlight

The Rhône Valley between Sion and Leuk is at its most impressive here, with the valley floor flanked by sheer rock faces and terraced vineyards climbing the sun-drenched slopes in both directions.

Booking Tip

Tickets for this short domestic route are inexpensive; buy at the station machine or via the SBB app, or use the Swiss Travel Pass for free travel on this and the cable car connection to Leukerbad.

Continue Your Journey

Continue from Leuk

🇨🇭 Altdorf 98 km 🇨🇭 Andermatt 81 km 🇨🇭 Disentis/Muster 103 km 🇨🇭 Konolfingen 63 km 🇨🇭 Frutigen 31 km

Also from Sion

🇨🇭 Sierre/Siders 15 km 🇨🇭 Disentis/Muster 126 km 🇨🇭 Andermatt 105 km 🇨🇭 Altdorf 121 km 🇨🇭 Bellinzona 129 km

Frequently Asked Questions

The estimated train journey from Sion to Leuk takes approximately 33m. This estimate is based on a rail distance of ~31 km using a regional service.
The estimated rail distance from Sion to Leuk is approximately 31 km (24 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 Leuk emits approximately 1.3 kg of CO2, compared to 6.1 kg by flight. Taking the train saves 4.8 kg of CO2 — a 79.0% reduction in emissions.
The route from Sion to Leuk 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 Leuk.

Train vs Flight comparison

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Data last updated: 2026-02-27