This valley originates from Oninomeyama, a mountain covered with natural cedar trees. The clear water of the stream flows through a smooth rock surface made of a single block of granite porphyry. In autumn, the dazzling autumn leaves are a spectacular sight, attracting many visitors every year.
You can enjoy forest bathing in the spring and summer, or leaf peeping in the fall while gazing at the clear, gushing water. There is also a campsite nearby, so you can relax and unwind.