Zao Onsen, a famous hot spring at the foot of the Zao mountain range, one of the largest mountain resorts in Tohoku, has a history dating back to its opening in 1900. It is known for its strongly acidic sulfur spring and is celebrated as a beauty hot spring that leaves the skin white and smooth. In winter, visitors can see juhyo, a natural artistic wonder that is rare worldwide, and enjoy superb powder snow at a vast ski resort together with authentic hot springs, which has earned overwhelming support from foreign tourists who love winter sports.