The Tham Luang cave rescue involved the rescue of twelve boys aged 11 to 16 and a 25-year-old man who became stranded in Tham Luang Nang Non (; "Great Cave of the Sleeping Lady"), a cave in Thailand's Chiang Rai Province on 23 June 2018. Heavy rains flooded the cave during their visit. The boys – all members of a local association football team – and their assistant coach were reported missing a few hours later, and search operations began immediately.