[1] With an area of 23,540 hectares, which makes it - by far - the largest of the entire Quebec network, the Louis-Babel Ecological Reserve occupies Mount Babel, in the northern part of the René-Levasseur Island (Manicouagan Reservoir).

This ecological reserve protects boreal, montane and alpine ecosystems in the Toulnustouc River ecological region (domain of the black spruce-fir and moss forest) and that of the Lac Marceau summits (domain of the black spruce fir forest).

Its central part is surmounted by the Mount Babel, mountainous terrain and very rugged.

Its origin is linked to the impact of a celestial body, which dates back to 210 million years ago.

Mount Babel is further characterized by a zeolite deposit, a semi-precious stone.