Thompson Pass is a 2,600 foot-high (855 meter-high) gap in the Chugach Mountains northeast of Valdez, Alaska. It is the snowiest place in Alaska, recording of snow per year on average. In the winter of 1952-1953, of snow fell—the most ever recorded in one season at one location in Alaska. It is also the most snow ever recorded in one season at one location anywhere in the fifty states. The pass also holds the Alaska record for the most snow in a single day: fell on December 29, 1955.