Located in Oregon, Crater Lake fills a massive volcanic caldera created by Mount Mazama’s eruption. The lake ranks ninth in the world for maximum depth and third for average depth, making it one of ...

Welcome to Crater Lake, a breathtaking natural treasure in southern Oregon. Formed by the collapse of Mount Mazama nearly 8,000 years ago, this caldera lake reaches a depth of 1,949 feet (594 meters), ...