Below are list of hotels and ryokan serving vegan food.
hokkaido
Hotel Mystays Sapporo Park
This business hotel has a restaurant “Farm to Table TERRA” offering vegan menu for breakfast (7:00-10:00), lunch (11:30-14:00), and dinner (18:00-22:30). Vegan take-out menuĀ available (11:30-21:30). Menu include risotto, soy meat burger, curry, tempura, and soup. Address: 2-2-10 Nishi, Minami 9-jo, Chuo-ku, Sapporo, Hokkaido 064-0809 | website (Japanese only)
nagano
Organic Pension Pumpkin
A cozy B&B run by a Japanese lady. Offers delicious, home-made organic vegan food for a reasonable price. Email p-hakuba@dia.janis.or.jp for inquiry and reservation. Address: Misorano, Hakuba, Kita-azumi, Nagano 399-9301 | website
Holistic Retreat Hotaka Yojoen
A holistic healing retreat with hot springs and therapies such as acupuncture and yoga. Address: 7258-20 Hotaka-Ariake, Azumino, Nagano 399-8301 | website
shizuoka
Kasuisai
A Zen Buddhist training hall where you can stay and experience various Buddhist trainings. Services shojin-ryori, Buddhist cuisine, which are available for both visitors and guests. Email info@kasuisai.or.jp for inquiry and reservation. Address: 2915-1 Kuno, Fukuroi, Shizuoka 437-0061 | website