Les Trois-Pierres
Commune
The town hall in Les Trois-Pierres
Coat of arms
Location of Les Trois-Pierres
Les Trois-Pierres Show map of France Les Trois-Pierres Show map of Normandy
Coordinates: 49°32′52″N 0°25′00″E / 49.5478°N 0.4167°E / 49.5478; 0.4167
Country	France
Region	Normandy
Department	Seine-Maritime
Arrondissement	Le Havre
Canton	Saint-Romain-de-Colbosc
Intercommunality	Le Havre Seine Métropole
Government
• Mayor (2020–2026)	Monique Bertrand[1]
Area 1	7.48 km2 (2.89 sq mi)
Population  (2021)[2]	797
• Density	110/km2 (280/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	76714 /76430
Elevation	63–132 m (207–433 ft) (avg. 110 m or 360 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Les Trois-Pierres (French pronunciation: [le tʁwɑ pjɛʁ]; literally 'The Three Stones") is a commune in the Seine-Maritime department in the Normandy region in northern France.

It is a farming village in the Pays de Caux, some 15 miles (24 km) east of Le Havre, at the junction of the D9015, D34 and D910 roads.

The arms of the commune of Les Trois-Pierres are blazoned : Azure, a fess argent charged with 3 stalks of wheat vert, in chief a sun Or between 2 seagulls volant respectant, and in base 3 stones argent.

• The church of St. Pierre, dating from the thirteenth century.

• Communes of the Seine-Maritime department