Petit lac Wacahatina is a Lake located in Baie-Obaoca; Matawinie, Quebec.

• Latitude: 47° 17' 44'' North   (decimal: 47.2955556)
• Longitude: 74° 6' 3'' West   (decimal: -74.1008333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-Obaoca; Matawinie
• Atlas of Canada Locator Map: Petit lac Wacahatina
• GPS Coordinate Locator Map: Petit lac Wacahatina Lat/Long