Petit lac Iyiwach is a Lake located in Baie-James; Jamésie, Quebec.

• Latitude: 54° 57' 30'' North   (decimal: 54.9583333)
• Longitude: 78° 3' 16'' West   (decimal: -78.0544444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Petit lac Iyiwach
• GPS Coordinate Locator Map: Petit lac Iyiwach Lat/Long