Niseko Sahina Campground (Hokkaido)
224-19, Aza Yunosato, Rankoshi-cho, Isoya-gun, Hokkaido, Japan 048-1321
15min from JR Niseko Station, 8min from JR Konbu Station.
You can enjoy the natural scenery of Niseko (Yotei mountain).
Facilities are also clean and fulfilling.
There are several hot springs near by, too.
It is open during winter and you can use the power supply.