Quote (ChivasRegal @ Mar 30 2018 02:25am)
I wonder if the tunnels were at a lower elevation than the mountains/hills above it...
That has nothing to do with the fact that there is a difference in elevation of 848m between those two towns. That's basically the height of the Burj Khalifa tower in Dubai (the world's tallest building).
https://en.wikipedia.org/wiki/Aigle%E2%80%93Leysin_railwayQuote
The Aigle–Leysin railway line is 6.5 km (4.04 mi) long and rises 1,047 m (3,435 ft) from its terminus outside the main line station in Aigle to its summit at the Grand Hôtel at Leysin. The first 1 km of the route is through the streets of Aigle from the railway station to the railway depot where the train reverses to enable the powered vehicle to be at the rear of the train for the uphill journey, normal working on a rack (cog-wheel) railway. From this point the line climbs steeply through the vineyards, the steepest gradient being 1 in 4.3 (23%).
23% grade. That's steep as fuck.
This post was edited by Surfpunk on Mar 30 2018 09:07am