Large icicles are formed when the river water that flows into the Kuzumaru River freezes on the mountainside. It is said that local people have used the thickness of these icicles to predict the year's harvest, and measurements are taken every February 11th.
[Measurement date] February 11th
- Location
- 028-3185 Iwate Prefecture, Hanamaki City, Ishidoridani-cho, Osegawa grounds
- Inquiries
- Contact name: Hanamaki City Ishidoriya General Branch Industry Division
Phone number: 0198-45-2111
FAX number: 0198-45-3733