Lac Ehrhart is a Lake located in Lac-Nilgaut; Pontiac, Quebec and has an elevation of 365 meters.

• Latitude: 46° 29' 59'' North   (decimal: 46.4997820)
• Longitude: 77° 36' 25'' West   (decimal: -77.6069682)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 365 meters
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac Ehrhart
• GPS Coordinate Locator Map: Lac Ehrhart Lat/Long