High Quality Content by WIKIPEDIA articles! Marten Falls First Nation is an Anishinaabe First Nation located in northern Ontario. The First Nation occupies communities on both sides of the Albany River in Northern Ontario, including Ogoki Post in the Cochrane District and Marten Falls in the Kenora District. As of February 2008, the First Nation had a total registered population of 600 people, of which their on-reserve population was 283 people.