~The world is a book and those who do not travel read only one page.~
I am pretty damn certain that the mythological god Thor slammed down his bad-ass hammer (Mjolnir) in a fit of berserker rage to create this natural wonder.
When you think of a trail, you think of a paved path that is well maintained or something that slightly resembles a trail right?
So I thought the ocean was blue. Well, Crater Lake is BLUE!