Located about a 15-minute drive from HOTEL MYSTAYS Fuji Onsen Resort, Oishi Park on the north shore of Lake Kawaguchi is currently at its peak for autumn foliage, with the kochia plants turning a vibrant red. The best time to see the kochia's autumn colors is typically from mid- to late October. Please enjoy the magnificent scenery and rich autumn colors. (As of October 22, 2025) Click here for details