How was Crater Lake created?

Crater Lake partially fills a type of volcanic depression called a caldera that formed by the collapse of a 3,700 m (12,000 ft) volcano known as Mount Mazama during an enormous eruption approximately 7,700 years ago. read more

Crater Lake (Klamath: giiwas) is a caldera lake in south-central Oregon in the western United States. It is the main feature of Crater Lake National Park and is famous for its deep blue color and water clarity. read more

Crater Lake is a beauty born from violent eruptions of spitting fires and rocks. The phrase"GREW, BLEW, FELL, and FILL" describes the process that created Crater Lake. read more