Gandate Valley is also known as Mitsu Falls' Courses which is one of 13 hiking and sightseeing courses of Osaka Waterfalls.
Waterfalls
Mitsu Falls
Karatani Falls
Aganetoyo Falls
Mitsu Falls' Course
Guide: Not required.
Level: Beginners Course.
Time: Three hours.
Official Web Site of Hida Osaka 200 Waterfalls: http://www3.ocn.ne.jp/~osk200tk/