This illustrated guide summarizes the results of a collaborative research project funded by the Ministère des Transports et de la Mobilité durable du Québec (MTMD) involving researchers from Université Laval’s School of Architecture and representatives of the Algonquin Anishinaabe community of Barriere Lake (ABL). The goals were • to lay the groundwork or “ABCs” for an authentic collaboration with First Nations representatives through activities in a context of active partnership; and • to propose culturally appropriate principles and actions to guide the discussion on possible architecture and planning projects on Indigenous