I went to Zao for the world-class snowboarding, but I left raving about my hotel. I visited in the heart of winter, from February 18th to 20th, 2025, and the landscape was a perfect, pristine winter wonderland. My stay at Oohira Hotel’s 善七乃湯 (Zenshichinoyu) in Zao Onsen was so much more than just a place …