Akita Prefecture is located in Tohoku region (東北地方 ). Among Akita's main attractions are its natural beauty of mountains and the sea, hot springs and the town of Kakunodate, which preserves one of Japan's most interesting samurai districts.
The Akita Nairiku Line (秋田内陸線, Akita Nairiku-sen) is a Japanese railway line located in Akita Prefecture (see Figure 1) in northern Japan. It operates between Takanosu in the city of Kitaakita and Kakunodate in the city of Senboku (see Figure 2). The Akita Nariku Line is the only railway line operated by the Akita Nairiku Jūkan Railway (秋田内陸縦貫鉄道, Akita Nairiku Jūkan Tetsudō, "Akita Inland Longitudinal Railway").
Usually, Japan autumn foliage season begins in the Hokkaido region then it comes down to Tohoku region (東北地方 ). From early October to early November is considered to be the best time to view autumn leaf in Tohoku.
You can enjoy viewing colored fall foliage at Adatara Mountain, Koyo River Gorge, Mogami River Gorge,Tazawa Lake, Geibi River Gorge, Oirase Mountain Stream, and Nakano Japanese Maple Mountain till Mid November.
Route map (see Figure 2)
Autumn Colors (japan-guide.com)
Top destinations in Akita (japan-guide.com)