The Monts Otish (Otish Mountains) are a range of tall hills in the geographic centre of Quebec, Canada, north of Lac Mistassini and Manicouagan Reservoir. Within the tall hills is the Réserve faunique des Lacs-Albanel-Mistassini-et-Waconichi.

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  Otish Mountains from the upper Eastmain River
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  Sunset over burned forest plateau in Otish Mountains
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  Sunset over upper Eastmain River from Otish Mountains