Mae Hong Son - A Canadian women drowned and became unaccounted for after falling off a raft during white-water rafting on the Pai River, police said.
Pol Capt Watchara Jaidee of Mae Hong Son's Muang district police station said the accident happened early Monday morning.
The tourist was identified as Susan van Amerom, 26.
Police are still searching her body in the river.
Watchara said the woman and three other foreign tourists were rafting from Pai district to Muang district on the river.
When the rubber raft reached the Kaeng Hin Mong rapid in Tambon Huaypha of Muang district, the raft lost control and the woman fell off and disappeared, the police officer said.
The Nation