Saint-Gervais-les-Bains is a commune in the Haute-Savoie department in the Auvergne-Rhône-Alpes region, southeastern France. The village is best known for tourism and has been a popular holiday destination since the early 1900s. It has 445 km (277 mi) of pistes, the third largest domain exclusively in France, and is one of the least busy ski areas of its size. In 1892, two hundred people were killed when a water pocket in a glacier above the town suddenly burst open and caused flooding.

Saint-Gervais-les-Bains-Le Fayet station is a railway station serving the town Saint-Gervais-les-Bains, Haute-Savoie department, southeastern France. It is the southeastern terminus of the standard gauge La Roche-sur-Foron–Saint-Gervais-les-Bains-Le Fayet line from La Roche-sur-Foron, the southwestern terminus of the 1,000 mm gauge Saint-Gervais–Vallorcine line from the Swiss border, and the western terminus of the Mont Blanc Tramway. It is the southeastern terminus of the L3 line of the Léman Express, a suburban rail network for the Grand Genève, which began operation in 2019.