Fall Foliage is called "kouyou" in Japanese, and the kanji (Chinese characters) for "kouyou" means red leaves and also indicates Japanese maples (momiji). Beautiful kouyou can be viewed from late September to early December in various regions. Please note that the best time to view fall foliage slightly changes every year.
Tohoku (northeast) region is rich in nature and is a good destination for fall foliages.
Chubu region is also rich in nature and has many beautiful fall foliage spots.
Fall foliage viewing spots in western region of Honshu island are listed.
Here are some spots in Shikoku.
Kyushu is rich in nature and offers many fall foliage viewing spots.