A state in the northwestern region of the United States, surrounded by the states of Washington, Oregon, Nevada, Utah, Wyoming, Montana and Canada. Idaho is nicknamed the “Gem State”, because nearly every known type of gemstone has been found in this mountainous region. Idaho has much variation in its climate. Maritime influence is felt, especially in the winter when cloud cover, humidity, and precipitation are at their maximum extent. While in summer hot days are tempered by the low relative humidity and cooler evenings during summer months since, for most of the state, the highest diurnal difference in temperature is often in the summer. Tourism is an important part of Idaho economy. It shares a famous Yellowstone National Park with Wyoming and Montana and also has a numerous state parks, national monuments and other natural sights. What can be better than a relaxing spa holidays in Idaho mountains?