An easy yet beautiful stream trekking spot for adventure seeking families, with a waterfall which can be climbed with the aid of a provided rope. In this area there is a high chance of encountering snakes, leeches, fish, crabs, lizards, newts, sometimes even monkeys, boars and deer.

Located in the Boso Peninsula Chiba, just over 1 hour from central Tokyo by car via the Tokyo Bay Aqua Line.