The victim of the accident near Mont-St.Maxime Trepanier was identified by Marie-Claude Beauvais, head of marketing with the hot air balloon festival in St-Jean-sur-Richelieu, as Maxime Trepanier, 26, the Canadian Broadcasting Corp. reported.
Trepanier, a father of two, had been in in critical condition when taken to a hospital about 7:30 a.m. local time, the CBC said.
"It's a tragic day," said Beauvais, who added Trepanier's father was also a hot air balloon pilot.
Following the crash, the 30-year-old festival grounded its balloons for the day, the CBC said.
Provincial police were to investigate the accident.