Train from Sion to Interlaken Ost

🇨🇭 Sion → 🇨🇭 Interlaken Ost

Straight-line Distance

65 km

NE (37.0°)

Rail Distance

~84 km

Estimated by rail

Travel Time

~1h 13m

Regional

CO2 Saved vs Flight

79.0%

13.0 kg less CO2

Environmental Comparison

Train

Regional

CO2 Emissions 3.4 kg

Flight

Economy class

CO2 Emissions 16.4 kg

Taking the train saves 13.0 kg CO2 (79.0% less emissions)

Route Information

Requires Transfer

Stations on This Route

Journey Tips

SBB and BLS trains connect Sion to Interlaken Ost via the dramatic Lötschberg mountain route. Interlaken Ost is the gateway to Grindelwald, Lauterbrunnen, and the Jungfraujoch. Swiss Travel Pass covers both SBB and BLS services throughout this scenic alpine crossing.

Scenic Highlight

The BLS Lötschberg mountain route between Goppenstein and Kandersteg traverses the iconic Lötschental, a narrow valley of exceptional Alpine beauty with waterfalls, chalets, and peaks topping 3,500 metres.

Booking Tip

Book via sbb.ch; Swiss Travel Pass is fully valid on both SBB and BLS services, and Supersaver advance fares provide good savings for those planning the journey without a pass.

Continue Your Journey

Frequently Asked Questions

The estimated train journey from Sion to Interlaken Ost takes approximately 1h 13m. This estimate is based on a rail distance of ~84 km using a regional service.
The estimated rail distance from Sion to Interlaken Ost is approximately 84 km (65 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 Interlaken Ost emits approximately 3.4 kg of CO2, compared to 16.4 kg by flight. Taking the train saves 13.0 kg of CO2 — a 79.0% reduction in emissions.
The route from Sion to Interlaken Ost 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 Interlaken Ost.

Train vs Flight comparison

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Data last updated: 2026-02-27