Lac des Éphémérides du Sang is a Lake located in Lac-Lenôtre; La Vallée-de-la-Gatineau, Quebec.

• Latitude: 47° 23' 30'' North   (decimal: 47.3917376)
• Longitude: 76° 12' 49'' West   (decimal: -76.2135482)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Lenôtre; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Lac des Éphémérides du Sang
• GPS Coordinate Locator Map: Lac des Éphémérides du Sang Lat/Long