Public guided tour

Lötschberg Base Tunnel

Immerse yourself in the heart of the BLS infrastructure

On this guided tour, you will learn many exciting facts about the construction and operation of the Lötschberg Base Tunnel. With a length of 34.6 km, it is the third-largest tunnel in Europe after the Gotthard Base Tunnel and the Eurotunnel and a masterpiece of railroad engineering.

Travel in comfort by train to Frutigen. The BLS Visitor Center is about a 5-minute walk from the station.

Information on the Lötschberg construction tunnel and the expansion project

Programme

The tour starts at the BLS Visitor Centre in Frutigen. First you will get a first impression of the tunnel system and how it works by means of a model. We then travel by minibus to the north portal and visit the intervention staircase. The journey continues to Mitholz and we immerse ourselves in the fascinating world of the Lötschberg Base Tunnel. This includes a tour of the Mitholz technical centre, the 1:1 scale test track and an exclusive look into the railway tunnel, where the trains rush closely in front of us at 200km/h.

Meeting point	BLS Visitor Centre, Obere Bahnhofstrasse 29, 3714 Frutigen
Duration	3 hours (13.30–16.30)
Groupe size	6–24 persons
Equipment	Good footwear Helmets and vests will be provided
Footpath	1.5 km, good physical condition is required. Unfortunately, we cannot take wheelchairs into the tunnel. Temperature in the tunnel is approximately 18°C.
Language	The tour takes place in German or English.

Dates

The guided tour of the Lötschberg Base Tunnel takes place on the Wednesday afternoons listed below and lasts 3 hours. The number of participants is limited. Please buy your ticket early in the BLS Webshop.

Wednesday, 14 May 2025 – SOLD OUT German
Wednesday, 25 June 2025 German
Wednesday, 2 / 9 / 16 / 23 / 30 July 2025 English / German
Wednesday, 6 / 13 August 2025 English / German
Wednesday, 27 August 2025 German
Wednesday, 24 September 2025 German
Wednesday, 1 / 8 October 2025 German
Wednesday, 5 November 2025 German
Wednesday, 3 December 2025 German

Group tours

For groups of 6 or more, this tour can be booked daily on request. You determine the date and time. Please use our registration form.

Rates

CHF 27.00 Adults from 16 years
CHF 5.00 Children 12–15 years

Prices in CHF incl. VAT / Prices and products subject to Alteration / The journey to Frutigen is not included in the price.

Included in the price

Mineral water
Loan of a helmet and vest

Booking Registration required

Place reservation & advance booking

Registration is required. Children must be at least 12 years old and may only participate in the tour when accompanied by an adult.

Reserve your place for the desired date and buy your ticket conveniently via our webshop.

Note: Advance booking in the webshop closes two days before the event. Short-term (less than two days) booking requests should be sent by e-mail to visit@bls.ch.