Introduction to Lake Minnewanka: Lake Minnewanka is the largest and deepest lake in Banff National Park. Its name comes from the Stoney Indians, which means "water spirit". The Minnewanka Valley is home to many species of wildlife, surrounded by beautiful scenery and unique rock formations. There are two 48-seater and one new 63-seater cruise ships that provide guided tours. You can experience the joy of cruising and appreciate the beautiful surrounding scenery while learning more about the growth and characteristics of animals and plants.