Shoshone Falls plunges down rugged cliffs from a height greater than Niagara Falls.The major rivers in Idaho are the Snake River, the Clark Fork/Pend Oreille River, the Clearwater River, and the Salmon River.
The Sawtooth Range is often considered Idaho's most famous mountain range. 6 §264) theoretically placed this region in the Central Time Zone, but this was corrected with a 2007 amendment. Although the state's western border is about 350 miles (560 km) from the Pacific Ocean, the maritime influence is still felt in Idaho, especially in the winter when cloud cover, humidity, and precipitation are at their maximum extent.The state has snow-capped mountain ranges, rapids, vast lakes and steep canyons.The waters of the Snake River rush through Hells Canyon, the deepest gorge in the United States.Regardless, part of Washington Territory, including Idaho County, was used to create Idaho Territory in 1863.Despite this lack of evidence for the origin of the name, many textbooks well into the 20th century repeated as fact Willing's account the name "Idaho" derived from the Shoshone term "ee-da-how". The states of Washington and Oregon are to the west, Nevada and Utah are to the south, and Montana and Wyoming are to the east.The third syllable, "how", denotes the exclamation and stands for the same thing in Shoshoni that the exclamation mark (! The Shoshoni word is "Ee-dah-how", and the Indian thought thus conveyed when translated into English means, "Behold! For example, at 2.3 million acres (930,000 ha), the Frank Church-River of No Return Wilderness Area is the largest contiguous area of protected wilderness in the continental United States.