Is a canoe in the mist true story?

Yes, A Canoe in the Mist is based on a tragic true story that occurred in Canada in 1966. The book chronicles the harrowing tale of two teenage boys, David and Eric, who embark on a risky canoe trip along the Missinaibi River, which flows through Canada. Unfortunately, during their navigation, a series of events led to both of them encountering dangerous obstacles, harsh weather, and challenging survival situations.