The Saru River, which originates in the Hidaka Mountains and flows into the Pacific Ocean. The Saru River Nibutani Dam is located in the middle reaches of the river. The Saru River is a river rich in nature where salmon and cherry salmon run-up. Since there is a spawning ground upstream of the dam, there is a staircase fishway with a “swing shoot gate” that moves up and down according to the dam lake’s water level. “Nibutani Lake” has a walking path and a historical walking path, and vehicles such as canoes without an engine can enter.

MAPCODE: 442 768 137*74