The smoke could be seen from North Bay.
OPP got the call at 2:25 p.m. to attend the site halfway between Lonely Island and Manitou.
"Officers were patrolling the lake on snowmobiles at the time and responded," said Cst. Shona Camirand "There were no injuries reported. I can’t confirm the cause, or if it was a fire or explosion. I know that when officers arrived, there was nothing left."
Unconfirmed reports on social media blamed a propane tank explosion inside the hut.
