Thompson River (De Montigny Lake tributary)
The Thompson River is a tributary of the south shore of De Montigny Lake, flowing in the town of Val-d'Or, in the La Vallée-de-l'Or Regional County Municipality, in the administrative region of Abitibi-Témiscamingue, in Quebec, in Canada.
| Thompson River | |
|---|---|
| Location | |
| Country | Canada |
| Province | Quebec |
| Region | Abitibi-Témiscamingue |
| MRC | La Vallée-de-l'Or Regional County Municipality |
| Physical characteristics | |
| Source | Lemoine Lake |
| • location | Val-d'Or |
| • coordinates | 48°03′56″N 77°52′34″W |
| • elevation | 296 m (971 ft) |
| Mouth | De Montigny Lake |
• location | Val-d'Or |
• coordinates | 48°05′14″N 77°52′41″W |
• elevation | 294 m (965 ft) |
| Length | 4.9 km (3.0 mi) |
| Basin features | |
| Tributaries | |
| • left | (upstream) |
| • right | (upstream) |
Recreational tourism is the sector's primary economic activity, including pleasure boating on De Montigny lakes, Blouin and Lemoine Lake. This strait includes a marina.[1] (at south of the strait) and a seaplane base (in the middle of the strait). In addition, a railway bridge and a road bridge cross this strait which is located on the west side of the city of Val-d'Or.[2]
The surface of the Thompson River is generally frozen from mid-December to mid-April.
Geography
The neighboring watersheds of the Thompson River are:
- north side: Harricana River, Lac De Montigny, Milky River;
- east side: Sabourin Lake, Marrias River, Sabourin River;
- south side: Lemoine lake, Mourier Lake;
- west side: Piché River, Fournière Lake.[2]
The source of the Thompson River is located at the mouth of Lemoine Lake (Val-d'Or) which is mainly fed by a strait (from the southwest) connecting it to Mourier Lake.
From its source, the Thompson River flows 4.9 km (3.0 mi) northward forming a navigable strait and collects the waters of the Piché River (coming from the west).[2]
The Thompson River flows on the south shore of Lac De Montigny to:
- 20.2 km (12.6 mi) south-east of the outlet of the Harricana River in Malartic Lake;
- 7.8 km (4.8 mi) south of the mouth of Lac De Montigny;
- 5.8 km (3.6 mi) west of downtown Val-d'Or;
- 10.2 km (6.3 mi) north-east of Lac Fournière;
- 1.8 km (1.1 mi) north of the hamlet of Rivière-Thompson.[2]
Toponymy
The toponym Thompson river was formalized on December 21, 1982 at the Commission de toponymie du Québec.[3]
See also
- James Bay, a body of water
- List of rivers of Quebec
Notes and references
- Marina Thompson de Val-d'Or
- "Atlas of Canada by the Department of Natural Resources Canada". Retrieved 12 July 2020.
Characteristics extracted from the geographic map, database and instrumentation of the site
- Commission de toponymie du Québec - Rivière Thompson