The cast also includes Monia Chokri as Bastien's mother Violette, as well as Jeff Roop, Pierre-Luc Lafontaine, and Thomas Laperrière in supporting roles.
Shy 13-year-old Bastien and his family are staying at a friend's lake cottage in Quebec, where Bastien meets the bold 16-year-old Chloé. She is a fan of folklore and local legends and tells Bastien a ghost is haunting the nearby lake. The two teens quickly bond.
On the review aggregation website Rotten Tomatoes, Falcon Lake holds an approval rating of 94% based on 48 reviews from critics, with an average rating of 7.5/10. The website's critics consensus reads, "Moody, sensitive, and subtly layered, Falcon Lake captures the intoxicating horror of young love."[8] However, online magazine Slant commented that "the inadvertent effect of the brooding, almost overbearing gloom that shrouds Falcon Lake is that it manages to sap the life out of its initially carefree depiction of young people’s emotional lives".[9]
Metacritic, which uses a weighted average, assigned the film a score of 71 out of 100, based on eight critics, indicating "generally favorable reviews".[10]