Mt. Koltz plays all through the journey up the mountain and through its various caves. It also plays in Mt. Zozo and Duncan's house in the World of Ruin. It is an intense song with a broad feel.
The song's title varies depending on your source. This site uses the most recent American release of the official soundtrack.
|Mt. Koltz||US iTunes soundtrack|
|Mt. Coltz||US OSV|
|霊峰コルツ (Reiho Korutsu)||Sacred Mountain Koltz||Japan OSV|
The song appears on the Final Fantasy VI Original Sound Version album.