Boggywell Creek rises about 1 kilometre (0.62 mi) north by east of Thorpe Park in the suburb Beverley Hills and flows generally south through the suburb of Peakhurst, including open space at Gannons Park,[2] before reaching its confluence with the Georges River, at Lime Kilns Bay, east of Lugarno. The course of the creek is approximately 2.5 kilometres (1.6 mi).