Lac Lynch Numéro Un is a Lake located in Lac-Jacques-Cartier; La Côte-de-Beaupré, Quebec.

• Latitude: 47° 14' 32'' North   (decimal: 47.2422424)
• Longitude: 70° 58' 22'' West   (decimal: -70.9728712)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Jacques-Cartier; La Côte-de-Beaupré
• GPS Coordinate Locator Map: Lac Lynch Numéro Un Lat/Long