- Crater Lake formed after an ancient volcano caved in and erupted about 7,700 years ago, creating a deep hole that filled with 4.6 trillion gallons of water from melted snow and rain. It is the deepest and bluest lake in the world.
- John Wesley Hillman, Henry Klippel and Isaac Skeeters, on a quest to find gold, first founded Crater Lake on June 12, 1853. They named it Deep Blue Lake.
- William Gladstone Steel, known as the "Father of Crater Lake National Park," learned about Crater Lake in 1870 when he read about it in a newspaper that he wrapped his lunch in. Mr. Steel managed Crater Lake National Park for 49 years.
- A geological survey conducted in 1959 by Captain Clarence Dutton recorded the deepest part of Crater Lake at 1,932 feet.
- Notable landmarks include Crater Lake Lodge, Wizard Island, Llao Rock and Skell Head.
- Rim Drive was finished in 1918. Crater Lake Lodge was ready for visitors in 1915. Crater Lake sees the most visitors in July and August.













