Photo: Adam Finkelstein 
Photo: Adam Finkelstein 
Photo: Adam Finkelstein 
Photo: Adam Finkelstein 
Photo: Adam Finkelstein
Lac Papineau, otherwise known as Petit-Lac-Long, is a 4.6 million cubic metre lake system comprised of three smaller lakes.
The following information is available about the lake:
- CRE Laurentides entry for Lac Papineau
- Water quality report (2006)
- Technical report on plans for lakes in Sainte-Agathe-des-Monts
