Snake River State is a term used to refer to the state of IDAHO. IDAHO is a state located in the northwestern region of the United States and is bordered by Montana, Wyoming, Nevada, Utah, Washington, and Oregon. It is known for its mountainous terrain and vast wilderness areas. The Snake River, which runs through the state, is one of the longest rivers in the United States. It is also home to many national parks and forests, making it a popular destination for outdoor recreation.