Ox-shaped lake along the Ishikari River. It is a place of relaxation for villagers, where many people gather on holidays.

You can enjoy the water all year round, with outdoor activities and activities in the summer and wakasagi fishing in the winter.

On sunny days, the setting sun turns the lake into a golden hue, allowing you to relax and enjoy nature in a serene atmosphere. Tappu no Yu, a roadside station adjacent to Lake Shinotsu, is a popular spot for tourists to stay overnight, eat, and bathe while taking in the view of Lake Shinotsu.