SPOT
Onsen stand
There is a vending machine for hot spring water, which is rare in Hokkaido. 100 liters is very inexpensive at 50 yen. You can take it home in a polyethylene tank and enjoy the hot spring in your own bath.
洞爺湖観光Location
Onsen stand, 59-4, Toya-cho, Toyako-machi, Abuta-gun
The information is current as of June 2023.
Please check the official website for details.