Sep 24, 2017 - 3:16 PM
in reply to rimmy16
Lucas gave you the answer. To amplify a bit....there are variuos train routes from Montreux to Luzern. The Golden Pass route is the slowest, and most scenic.
Routes via Lausanne and Bern are substantially faster.
From Zermatt, you can also take the route under ( fastest) or over (more scenic) the Lötschberg pass. and pick up part of the Golden Pass Route at Spiez, take the short trip to Interlaken Ost, and follow the Golden Pass route on the Luzern-Interlaken Express from IO to Luzern.
To visuaize this, use this map and zoom in until you can see the train lines:
I have done that at Zermatt.
The time table will help you with times along various routes: