Mont Thomas-Mercier is a Mountain located in Saint-Maxime-du-Mont-Louis; La Haute-Gaspésie, Quebec.

• Latitude: 49° 13' 6'' North   (decimal: 49.2183773)
• Longitude: 65° 45' 40'' West   (decimal: -65.7610454)
• Topography Feature Category: Mountain
• Geographical Feature: Sommet
• Canadian Province/Territory: Quebec
• Location: Saint-Maxime-du-Mont-Louis; La Haute-Gaspésie
• Atlas of Canada Locator Map: Mont Thomas-Mercier
• GPS Coordinate Locator Map: Mont Thomas-Mercier Lat/Long