First Nations Wabun Tribal Council serves 6 First Nations Beaverhouse, Brunswick House, Chapleau Ojibwe, Flying Post, Matachewan and Mattagami Wabun’s First Nations are all signatory to Treaty 9, and are located in north-eastern Ontario. Brunswick House First Nation Chapleau Ojibwe First Nation Flying Post First Nation Matachewan First Nation Mattagami First Nation Beaverhouse FIRST NATION