Lac à Jos-Vallée is a Lake located in Saint-Théophile; Beauce-Sartigan, Quebec.

• Latitude: 45° 57' 40'' North   (decimal: 45.9611483)
• Longitude: 70° 26' 53'' West   (decimal: -70.4481236)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Saint-Théophile; Beauce-Sartigan
• Atlas of Canada Locator Map: Lac à Jos-Vallée
• GPS Coordinate Locator Map: Lac à Jos-Vallée Lat/Long