Mishkosiminiziibiing (Big Grassy River) is a small First Nation community in Northwestern Ontario, located on the shores of beautiful Lake of the Woods. Big Grassy River is 130 km. northwest of Fort Frances, Ontario and 450 km. west of Thunder Bay, Ontario. There are 192 First Nation members and 29 non-members living in the community, with an additional 496 First Nation members living off-reserve.