The Altitude difference: about 500m
Hight: 1827.6m

Start at Akagiyama Visitor Center.
Walk to the entrance of Mt. Komagatake trail.
takes 60 min. to the top of Mt. Komagatake 1689.2m tall.
To Mt. Kurohinoki takes another 60 min.
Walking down to Onuma pond takes 40 min.
Walk the side of Onuma pond about 40 min. back to the visitor center.