Bassins is a municipality in the district of Nyon in the canton of Vaud in Switzerland. The village of Bassins is located in the foothills of the Jura, at an average altitude of about 800 metres.

The Nyon–St-Cergue–Morez Railway (NStCM), French: Chemin de fer Nyon–Saint-Cergue–Morez, is a narrow gauge railway in western Switzerland which nowadays operates between Nyon, on the northern shore of Lake Geneva and the French border at La Cure, the La Cure–Morez section having closed in 1958. The railway reaches a height of 1,228 metres above sea level at the Col de la Givrine and it is the highest in the Jura Mountains.