The Nyon-St-Cergue-Morez Railway (NStCM), , 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 above sea level at the Col de la Givrine and it is the highest in the Jura Mountains.