Lac Othmar is a Lake located in Mulgrave-et-Derry; Papineau, Quebec and has an elevation of 310 meters.

• Latitude: 45° 44' 00'' North   (decimal: 45.7333333)
• Longitude: 75° 27' 4'' West   (decimal: -75.4511111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 310 meters
• Location: Mulgrave-et-Derry; Papineau
• Atlas of Canada Locator Map: Lac Othmar
• GPS Coordinate Locator Map: Lac Othmar Lat/Long