The Bras d'Henri is a tributary of the Beaurivage River which is a tributary of the west bank of the Chaudière River (slope of the south bank of the Saint-Laurent).
It flows in the municipality of Saint-Elzéar, Saint-Bernard, Saint-Narcisse-de-Beaurivage, in the Saint-Étienne-de-Lauzon sector of the city of Lévis and Saint-Gilles, in the Lotbinière Regional County Municipality, in the administrative region of Chaudière-Appalaches, in Quebec, in Canada.
The main neighboring watersheds of the Bras d'Henri river are: Le Bras d'Henri has its source in the municipality of Saint-Elzéar at 4.2 kilometres (2.6 mi) west of the village center.
From its source, the Bras d'Henri river flows mainly in agricultural areas over 32.5 kilometres (20.2 mi) divided into the following segments: Le Bras d'Henri empties on the east bank of the Beaurivage River at 4.1 kilometres (2.5 mi) (in a direct line) north of the village of Saint-Gilles and south of the hamlet "Pointe-Saint-Gilles".
The toponym "Bras d'Henri" was made official on December 5, 1968, at the Commission de toponymie du Québec.