| Rivière du Bois Clair | |
| Pushpin Map: | Quebec |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Region |
| Subdivision Name3: | Chaudière-Appalaches |
| Subdivision Type4: | MRC |
| Subdivision Name4: | Lotbinière Regional County Municipality |
| Source1: | Agricultural and forest streams |
| Mouth: | Rivière du Chêne |
| Mouth Location: | Saint-Édouard-de-Lotbinière |
| River System: | St. Lawrence River |
| Tributaries Left: | (upstream) ruisseau Allaire, ruisseau des Revend, Bras des Boucher |
| Tributaries Right: | (upstream) |
The rivière du Bois Clair (in English: light wood river) is a tributary of the east bank of the rivière du Chêne which flows on the south shore of the St. Lawrence River. The Bois Clair river flows in the municipalities of Sainte-Croix-de-Lotbinière and Saint-Édouard-de-Lotbinière, in the Lotbinière Regional County Municipality, in the administrative region of Chaudière-Appalaches, Quebec, Canada.
The main neighboring watersheds of the Bois Clair river are:
The Bois Clair river "has its source at 3e rang south in the municipality of Sainte-Croix. This area also forms the head of the Barbin stream flowing to the north to the St. Lawrence River and a stream flowing east to the Petit Saut River.
From its head area, the Bois Clair river "flows over with a drop of, divided into the following segments:
The Bois Clair river "flows on the east bank of the rivière du Chêne in Saint-Édouard-de-Lotbinière. This confluence is located opposite the rang du Portage of Leclercville, at downstream of the Chêne River bridge (route 226), south-east of the village of Leclercville and south of the village of Lotbinière.
The term Boisclair is a family name of French origin.
The toponym Rivière du Bois Clair was formalized on December 5, 1968, at the Commission de toponymie du Québec.[2]