L'Assomption Lake

{{Short description|Lake in Lanaudière, in Quebec, Canada}}

{{Infobox body of water

| name = L'Assomption Lake

| native_name ={{native name|fr|Lac l'Assomption}}

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| image = Lac-de-l'Assomption.jpg

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| caption = View of Lake L'Assomption

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| coordinates = {{coord|46.460978|-74.052084|region:ZZ_type:waterbody|display =inline,title}}

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| outflow = L'Assomption River

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| elevation = {{convert|300|m}}

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| pushpin_map = Quebec

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L'Assomption Lake (in French: Lac de l'Assomption) is a lake located in the Mont-Tremblant National Park (sector of L'Assomption), in the Municipality of Saint-Guillaume-Nord, in Matawinie Regional County Municipality, in the administrative region of Lanaudière, in Quebec, in Canada.