The Martigny River is a tributary of the Turgeon River, flowing into the Municipality of Eeyou Istchee James Bay (municipality), in Jamésie, in the administrative region from Nord-du-Québec, in Quebec, in Canada. The course of the river crosses the townships of Martigny, Martinière and Lanouillier.

Martigny
Harricana River basin in yellow
Location
Country	Canada
Province	Quebec
Region	Eeyou Istchee Baie-James (municipality)
Physical characteristics
Source	Lac aux Épices
• location	Eeyou Istchee Baie-James (municipality), Nord-du-Québec, Quebec
• coordinates	50°07′47″N 79°11′42″W
• elevation	241 m (791 ft)
Mouth	Turgeon River
• location	Eeyou Istchee Baie-James, Quebec
• coordinates	49°59′20″N 79°00′50″W
• elevation	235 m (771 ft)
Length	30.2 km (18.8 mi)[1]
Basin features
Tributaries
• right	Discharge of Lemoyne Lake.

This hydrographic slope is covered by several marsh areas. The surface of the river is usually frozen from early November to mid-May, however, safe ice movement is generally from mid-November to the end of April.

Geography

The main hydrographic slopes near the Martigny River are:

• North side: Harricana River, Breynat River, Mannerelle River, Malouin River;
• East side: Harricana River, Samson River (Baie-James);
• South side: Turgeon River, Wawagosic River;
• West side: Turgeon River, Detour River.

The Martigny River derives its source from "Lac aux Épices" (length: 3.9 kilometres (2.4 mi), altitude: 241 metres (791 ft)), located in the township of Martigny, in the municipality of Eeyou Istchee James Bay (municipality).

The mouth of "Lac aux Épices" is located at:

• 20.7 kilometres (12.9 mi) Northwest of Martigny River mouth (confluence with Turgeon River);
• 103.6 kilometres (64.4 mi) Southeast of the mouth of Harricana River;
• 23.3 kilometres (14.5 mi) Northwest of the mouth of the Turgeon River;
• 23.0 kilometres (14.3 mi) East of the Ontario border.

From the source, the Martigny River flows over 30.2 kilometres (18.8 mi) according to the following segments:

• 4.3 kilometres (2.7 mi) Southeast, to the outlet (coming from the south) of a group of lakes, notably Lemoyne, Laforge and Bouchard;
• 6.0 kilometres (3.7 mi) Southeasterly to the west shore of Lac Martigny;
• 4.6 kilometres (2.9 mi) Southeast across Lake Martigny (length: 5.7 kilometres (3.5 mi); altitude: 242 metres (794 ft)), up to mouth;
• 8.4 kilometres (5.2 mi) Southeast across Finger Lake (length: 2.5 kilometres (1.6 mi); altitude: 242 metres (794 ft)), up to its mouth;
• 6.9 kilometres (4.3 mi) Southeasterly to mouth[2]

The Martigny River flows on the north shore of the Turgeon River, to:

• 6.0 kilometres (3.7 mi) Southwest of the mouth of the Turgeon River;

South of the mouth of the Harricana River

• 36.2 kilometres (22.5 mi) east of the Ontario border;
• 102.3 kilometres (63.6 mi) west of downtown Matagami.

Toponymy

The term "Martigny" is a surname of French origin.

The toponym "rivière Martigny" was formalized on December 5, 1968, at the Commission de toponymie du Québec, when it was founded.[3]

Notes and references

See also

• Eeyou Istchee Baie-James (municipality), a municipality
• Jamésie, a region
• Turgeon River, a watercourse
• Harricana River, a watercourse
• James Bay, a body of water
• List of rivers of Quebec