Crooked Falls

At about ten o’clock on the morning of June 14, 1805, Captain Lewis took his gun and his espontoon and set out on a short walk up the north side of the river (at right in this photo), to see how far the rapids extended above the “grand Fall.” With the Hidatsas’ assurance of aContinue reading “Crooked Falls”

Sapphire Pool

“Temperature 200-202°F Dimensions 18×30 feet. Sapphire Pool, named for its blue, crystal-clear water and for its resemblance to an Oriental sapphire, was once a placid hot pool. It was not until after the 1959 earthquake that major eruptions occurred. For several years following the earthquake powerful eruptions at two hour intervals reached 150 feet. TheContinue reading “Sapphire Pool”