Lac Muskrat is a Lake located in Lac-Nilgaut; Pontiac, Quebec.

• Latitude: 46° 37' 57'' North   (decimal: 46.6325)
• Longitude: 77° 5' 53'' West   (decimal: -77.0980555)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Nilgaut; Pontiac
• GPS Coordinate Locator Map: Lac Muskrat Lat/Long