The pristine lake in a volcanic caldera is the deepest lake in the U.S. It's also considered one of the "7 Wonders of Oregon," so it's no surprise that it would be a top contender among national park visitors across the country. Subscribe: https://www.youtube.com/c/KGWNews8 Watch the latest KGW newscast: https://www.kgw.com/watch Get the KGW app: https://kgw.com/appredirect