Lac Tonio-Cyr is a Lake located in Saint-Narcisse-de-Rimouski; Rimouski-Neigette, Quebec and has an elevation of 190 meters.

• Latitude: 48° 14' 25'' North   (decimal: 48.2403115)
• Longitude: 68° 37' 27'' West   (decimal: -68.6241915)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 190 meters
• Location: Saint-Narcisse-de-Rimouski; Rimouski-Neigette
• Atlas of Canada Locator Map: Lac Tonio-Cyr
• GPS Coordinate Locator Map: Lac Tonio-Cyr Lat/Long