In southern Oregon, Crater Lake National Park is named for its massive water-filled crater. The lake is filled only with rainwater and snow, and goes down 1,900 feet. This makes it the deepest lake in the United States and one of the most striking anywhere. While the park itself has two campgrounds (one primitive and the other with access to electric hookups and water), Crater Lake RV Park — also known as Prospect RV Park — and Big Pines RV Park are viable alternatives with plenty of amenities. The summer is the most popular time to visit, so plan ahead and give yourself enough days to hike, bike, boat and even swim at the end of Cleetwood Cove Trail.
