Lagrange Bay is located 200 kilometres (120 mi) south of Broome, Western Australia in the Kimberley region. It is the site of the Catholic Pallotine ‘’’La Grange Mission’’, and the Aboriginal community of Bidyadanga. It was the location of the La Grange massacre and expedition in 1865.
Coordinates: 18°38′35″S 121°42′40″E / 18.643°S 121.711°E