Mountains was initially a stand-alone single by Biffy Clyro released on the 18th August 2008. The song became a significant airplay hit and also the bands highest charting single yet; reaching number 5 on the UK singles chart.
The track was later included on their fifth studio album, Only Revolutions.
Took a bite out of a mountain range
Thought my teeth would break the mountain dead
Let's go, I wanna go all the way to the horizon