Lièvre WatershedThe Lièvre River watershed is a sub-basin of the Ottawa River.

• Drainage Area: approximately 9542 km2
• General Direction Flow: Southerly
• Headwaters: Head Lake, situated at the very North of the watershed
• Confluence: The Ottawa River at the Masson-Angers section of the City of Gatineau
• Municipalities: 28
• Approximate Population: 38,841
  
• Total Length:330km in length
• Predominant Land Cover: Forest (75%)
• Predominant Land Use: Forestry and agriculture
• Rivers and Tributaries: Mitchinamecus, Kiamika et Sourd rivers

The watershed is bound by the Gatineau River watershed to the West, the Petite Nation River to the South, and the Rouge River watershed to the North East. The area which drains the LièvreRiver watershed crosses three administrative regions. The Laurentides region is the most important with an area of 81% of the watershed, the Ottawa region is second with 13% of the watershed, and finally the Lanaudière region makes up 6% of the territory of the watershed.

Adapted from "Pour la qualité de l'eau du bassin versant de la Lièvre: PORTRAIT" (French only), published by Comité du bassin versant de la rivière du Lièvre (COBALI), 2005.