Frozen Peak was a cold, snowy, mountainous region. It was the location of one of the Eggman Empires many bases during the war against the resistance.
The base was abandoned some years ago and was not used until a badnik caravan commanded by Dr. Starline and Metal Sonic transported the equipment in the base to another location. Shortly after the caravan completed the move, Sonic and Silver launched an assault on the base believing that Eggman would be there. However, the base was blown up by Dr Starline shortly after the assault