Lac Gaynor is a Lake located in Lac-Jérôme; Minganie, Quebec and has an elevation of 667 meters.

• Latitude: 51° 34' 51'' North   (decimal: 51.5808965)
• Longitude: 64° 29' 21'' West   (decimal: -64.4893049)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 667 meters
• Location: Lac-Jérôme; Minganie
• Atlas of Canada Locator Map: Lac Gaynor
• GPS Coordinate Locator Map: Lac Gaynor Lat/Long