Knapp Island is a Island located in Frontenac, Ontario and has an elevation of 92 meters.

• Latitude: 44° 26' 30'' North   (decimal: 44.4416666)
• Longitude: 76° 20' 00'' West   (decimal: -76.3333333)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 92 meters
• Location: Frontenac
• Atlas of Canada Locator Map: Knapp Island
• GPS Coordinate Locator Map: Knapp Island Lat/Long