Rocky Ridge Mine
is a mine nearby the Rocky Ridge Quarry
. It was first introduced in the Season 2
episode Frostini's Meltdown
and appeared regularly throughout the second season. It wasn't named until Season 4
had his first rescue in the special Chug Patrol: Ready to Rescue
had derailed and the mine was collasping. It was then fixed by the Chuggineers and then Jackman
and Wilson later used it to test flares.