Guided tours inside the dam

There are guided ‘sound and light’ tours of the inside the world’s highest gravity dam.

Visits to the dam are open from 4 June until 23 October 2022, including every day at weekends. Outside this period, the access road to the dam is closed by the State of Valais for the winter season.

Tours start at

11h30 – 13h30- 15h00 – 16h30/ 14h15 – 15h45 during busy times

Meet in front of the information pavilion located at the foot of the dam. Hot clothes and good shoes recommended.

DurationApprox 1h15
Capacitymax. 30 people per guided tour


Students, apprentices, pensionersCHF 8.-
Adults (from 16 years)CHF 10.-
Children (from 6 to 15 years)CHF 6.-
Groups (from 10 people, by prior registration)CHF 8.-

The Discovery Ticket

Tour inside the dam + round trip with the cable car

Adults (from 16 years)CHF 16.-
Children (from 6 to 15 years)CHF 8.-

The “Frisson” Package

Visit to the heart of the dam + return cable car ride + zipwire

Adults, over 16 years oldCHF 34.-
Single child (from 40 kg up to 16 years oldCHF 18.-
Accompanied child (from 6 years old and up to 40 kg)CHF 16.-
Groups (from 10 people)CHF 30.-
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