Introducing the Purlovia and Upcoming Biome Changes! in ARK News Posted May 16, 2016 16 minutes ago, M0rningCoffee said: Does that mean the Hidden Lake isn't going to be covered in snow now or..? Hidden Lake will NOT be covered in snow. Only the areas highlighted in blue will be part of the snow biome/receive changes if already part of the current snow biome. Hidden Lake will be staying as is.