Leuralla Toy & Railway Museum lie 100 km west of Sydney in a small town in which New South Wales national park?
Leuralla: Leuralla is a historic house in Leura, a suburb in the City of Blue Mountains local government area 109 km west of Sydney in New South Wales, Australia. Leura, New South Wales:  It is one of the series of small towns stretched along the Main Western railway line and Great Western Highway that bisects the Blue Mountains National Park.
Blue Mountains National Park