Oyunuma is the remains of an explosive crater, and is a gourd-shaped swamp of hot water. At the bottom of the swamp, sulfur springs spout out at about 130 degrees Celsius, and the temperature on the surface of the swamp is 40 to 50 degrees Celsius. At the bottom of the swamp, sulfur springs spout out at about 130 degrees Celsius. You can see Oyu-numa from here. If you are on your way to the Oyunuma River Natural Footbath on the boardwalk from the valley, you can reach this observatory in 10 minutes on foot from Jigokudani.
Information
Oyunuma Observatory
Location Noboribetsu Onsen-cho, Noboribetsu City, Hokkaido 059-0551
Directions
Oyunuma Observatory
Stadiums/Arenas
Makomanai Sekisui Heim Stadium
Makomanai Sekisui Heim Stadium was the stadium where the Sapporo Olympics' opening ceremony was held in 1972 and used as the venue for speed skating at the Olympics. It was held at …
The Okurayama Ski Jump Stadium was one of the competition venues for the 1972 Sapporo Winter Olympic Games. It is still the venue for World Cup and other events. You can go all the …
Mikaho Gymnasium was built as a venue for figure skating at the 1972 Sapporo Olympics. It is still open as an ice skating rink from November to early April, and it is used as a gym …
Ski Jumping Museum at Yoichi Exhibition Hall (Hokkaido)
Sapporo Dome
Sapporo Dome is the home of the professional baseball team, the Hokkaido Nippon-Ham Fighters. it's a dome stadium, so you don't have to worry about the weather. Hokkaido Nippon-Ham …
