Col des Roches is a mountain pass in the Western Alps in what sub-alpine mountain range?
Col des Roches:  919 m.) is a mountain pass in the Jura Mountains on the border between the canton of Neuchâtel in Switzerland and France. Jura Mountains: The Jura Mountains (] ; ] ) French: "Massif du Jura" , (German: "Juragebirge" , Italian: "Massiccio del Giura" ) are a sub-alpine mountain range located north of the Western Alps, mainly following the course of the France–Switzerland border.
the Jura Mountains