Lac Thyeste is a Lake located in Lac-Moncouche; Lac-Saint-Jean-Est, Quebec and has an elevation of 533 meters.

• Latitude: 47° 58' 5'' North   (decimal: 47.9680556)
• Longitude: 71° 39' 32'' West   (decimal: -71.6588889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 533 meters
• Location: Lac-Moncouche; Lac-Saint-Jean-Est
• Atlas of Canada Locator Map: Lac Thyeste
• GPS Coordinate Locator Map: Lac Thyeste Lat/Long