The Grande

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 12 June at 1.30 p.m. until 3 October 2021, including every day at weekends. Additional visits will be organised during the weekends of 16-17 and 23-24 October 2021. 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. Wearing the mask requested for the visit inside the wall.

Duration Approx 1h15
Capacity max. 30 people per guided tour


Students, apprentices, pensioners CHF 8.-
Adults (from 16 years) CHF 10.-
Children (from 6 to 15 years) CHF 6.-
Groups (from 10 people, by prior registration) CHF 8.-
Book your visit online !
Book now !
Do you have any questions ?
027 328 43 43
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