Kayak on a geologic marvel! Coldwater Lake in the Mount Saint Helens National Volcanic Monument was formed by the eruption of Mt. St. Helens in 1980. Discover this breathtaking destination from a unique perspective, while kayaking under the peaks of the Cascade Mountains and Mount Saint Helens. Coldwater Lake is situated at 2,500 feet on the northern foot of Mount Saint Helens. Enjoy the beauty and the company of other kayakers.