If your trip to Kumanogawa Onsen is all sorted out but your itinerary is a bit on the empty side, we can give you a few hints and tips.Not far from the heart of the city, Nachiyama-oku-no-in is one sight you might like to put on your must-see list. If you still have some space on that travel itinerary, Sanseiganto-ji and Nachi-no-taki will keep you entertained too.