The mouth of the Étamamiou River lies some 110 kilometers east of Natashquan and almost the same distance west of La-Tabatière. The word "aitumamiu" means "which splits in two" or "lake with two discharges" in the Innu language. Together with its tributaries, the river drains a watershed of some 3,000 square kilometers.
The mountainous setting is home to an abundance of wildlife. Hare, grouse, grouse, ptarmigan, caribou, moose, marten, lynx and porcupine can all be seen along the river's banks. The aquatic ecosystem is home to beavers, muskrats, otters, mink and migratory birds.
Salmon migrate up the Étamamiou River for more than 140 kilometers. Five kilometers from its mouth, the Étamamiou inc. outfitter belongs to the Innu community of Unamen Shipu and holds exclusive fishing rights in the river basin. The six pools, where salmon can be admired in full sunlight on a rocky sandy bottom, provide anglers with an authentic and unforgettable fishing experience. Fishing here is mainly by boat, as the river is calm once past the impressive waterfall located downstream, near the camp. Anadromous brook trout are also abundant at the mouth of the river.