La Pitié is a chapel in the commune of Mellionnec in the Côtes-d'Armor department in Brittany in north-western France. It is on the shore of Canal de Nantes à Brest between locks 146 and 147.
Coordinates: 48°11′36.73″N 3°15′38.40″W / 48.1935361°N 3.2606667°W