Boggywell CreekBoggywell Creek, an urban gully that is part of the Georges River catchment, is located in the southern Sydney district of St George, in New South Wales, Australia.Course and featuresBoggywell Creek rises about north by east of Thorpe Park in the suburb and flows generally south through the suburb of, including open space at Gannons Park, before reaching its confluence with the Georges River, at Lime Kilns Bay, east of. The course of the creek is approximately.