The Bouton d'Or Hotel has chosen Eaux de la Vallée, 100% hydroelectric energy, clean and renewable, that comes from plants situated in the Valle d'Aosta region.

This choice of renewable energy helps to reduce pollution and preserves the environment for the future. In Valle d'Aosta there are 29 hydroelectric plants with UNI EN ISO 14001 environmental certification. The energy produced is guaranteed by the GRTN.