Petit lac Longpré is a Lake located in Rivière-de-la-Savane; Mékinac, Quebec.

• Latitude: 46° 55' 33'' North   (decimal: 46.9258717)
• Longitude: 73° 38' 8'' West   (decimal: -73.6356942)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-de-la-Savane; Mékinac
• Atlas of Canada Locator Map: Petit lac Longpré
• GPS Coordinate Locator Map: Petit lac Longpré Lat/Long