Lac Murphy is a Lake located in Otter Lake; Pontiac, Quebec and has an elevation of 271 meters.

• Latitude: 45° 55' 17'' North   (decimal: 45.9213889)
• Longitude: 76° 29' 18'' West   (decimal: -76.4883332)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 271 meters
• Location: Otter Lake; Pontiac
• Atlas of Canada Locator Map: Lac Murphy
• GPS Coordinate Locator Map: Lac Murphy Lat/Long