The Nant de Drance pumped storage power plant is located in the Swiss Alps in the Valais municipality of Finhaut between Martigny (CH) and Chamonix (F). The power station is completely underground, with only the Emosson and Vieux Emosson reservoirs visible from the outside.

The Nant de Drance and related facilities are not open to the public. An information stand is open at the Châtelard Frontière train station every day between 8:30 am and 6 pm from 1 June to 31 October.