Idaho GuideIdaho is state in the Rocky Mountains region of the United States. Idaho is a rugged state, with 10,000 - 12,500 ft snow-capped mountains, whitewater rivers, forests, high desert, and plenty of wilderness. HotelsFind hotels in Boise, Sandpoint, Moscow and more. BoiseBoise is the capital of Idaho as well as the largest city in Idaho. Although its economic growth has its roots in the Simplot potato industry, the city is now home to many high tech industries. SandpointSandpoint is a popular city and tourist destination in Northern Idaho on the shore of lake Pend Oreille in northwestern United States. MoscowMoscow is a city in North Central Idaho with a population of around 22,000 people, an agricultural center and the home of the University of Idaho. Southwestern IdahoSouthwestern Idaho is in Idaho. Northern IdahoNorthern Idaho is in Idaho. Located just off I-90 on the Idaho-Montana border, midway between major airports in Spokane … Central IdahoCentral Idaho is in Idaho. North Central IdahoNorth Central is in Idaho. South Central IdahoSouth Central Idaho is in Idaho. As in the rest of Idaho, English is the main language and the only language travelers can be assured of not encountering any difficulty with. Eastern IdahoEastern Idaho is part of Idaho that borders Montana and Wyoming. Southeastern IdahoSoutheastern Idaho is in Idaho.