The spinning coaster will pass through a covered cavern illuminated with floating ice and colourful lighting. Riders will be transported through a world of penguins and polar bears.
Prior to becoming Ice Mountain, the ride operated as Fantasy Mouse.
The new addition to Fantasy Island will open in time for the Easter school holidays, on 6th April 2019.
The most popular rides at the park include thrilling roller coasters The Millennium at 150ft and The Odyssey at 167ft, plus the 183ft S&S Space Shot The Volcano.