Étang de la Martre is a Lake located in Lac-Nilgaut; Pontiac, Quebec.

• Latitude: 46° 55' 54'' North   (decimal: 46.9316667)
• Longitude: 77° 48' 49'' West   (decimal: -77.8136111)
• Topography Feature Category: Lake
• Geographical Feature: Étang
• Canadian Province/Territory: Quebec
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Étang de la Martre
• GPS Coordinate Locator Map: Étang de la Martre Lat/Long