Snowcastle Yellowknife: 2018 by Kris Lin Ice Castle Yellowknife. Its again that time of the year when all the people flock on top of frozen Great Slave Lake to see all the Ice Sculptures carved by the Ice Carvers coming to Yellowknife from all over the world just for making Ice Castle a famous event. The Ice Castle will open in the month of March every Year. It takes couple of months of hard work by a dedicated team to make this beautiful Ice Castle in Yellowknife and all the Ice Sculptures around it. It will be an even filled with fun shows such as Musicians coming to the Ice Castle to do evening shows and also Famous Country singers coming to Yellowknife to give you an amazing night under the Northern Lights in Yellowknife Ice Castle. www.yellowknifevacations.com