Snowdon Mountain Railway

In todays video we venture up Mount Snowdon, as we climb we see the Beefy Engines of the Snowdon Mount Railway, with locos 9, 10 and 11 powering up the Mountain, it would be criminal not to watch them in such a Beautiful Setting! Enjoy!

[@HeartlandTuber]

Is it cog while driven railway? At about the 6:40, I answered my own question!