A valley located upstream of the Sarugaishi River. The huge granite rock has been eroded into steps to make it look like tatami mats, and it is known as a famous spot for autumn leaves.
- Location
- Tono City Tsukubaushicho
- Inquiries
- (One company) Tono City Tourism Association
Phone number 0198-62-1333
FAX number 0198-62-4244