Lake Opinicon is a Unincorporated area located in Frontenac, Ontario and has an elevation of 123 meters.

• Latitude: 44° 32' 23'' North   (decimal: 44.5397222)
• Longitude: 76° 22' 4'' West   (decimal: -76.3677777)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Dispersed Rural Community
• Canadian Province/Territory: Ontario
• Elevation: 123 meters
• Location: Frontenac
• Atlas of Canada Locator Map: Lake Opinicon
• GPS Coordinate Locator Map: Lake Opinicon Lat/Long