Oedo Onsen Monogatari is a popular onsen theme park in Odaiba, Tokyo. Oedo Onsen Monogatari is the best Onsen spot in Tokyo where you can enjoy the authentic bath with natural hot spring water. The Edo era themed Onsen park also offers the optimum entertainment including amusement area, restaurants, spa and shopping. Spend a whole day in this mega Onsen amusement park in the heart of Tokyo! Iris Garcia video.