The train up to Gornergrat starts off by going through the heavily forested valley walls just above Zermatt. It then opens up as the elevation increases and has many sweeping vistas of the surrounding mountains and Zermatt valley. We wound up going up 3 different times as it was a nice relaxing scenic trip after a long day. The terrain is so steep that the train uses a cog railway where a gear beneath the locomotive engages with a toothed rack between the tracks. According to the Michelin green guide this is the highest open-air railway in Europe.
This gives an idea of the slope the train goes up.
One of many great Matterhorn views on the trip.