Mississippi River (Ontario)

Mississippi River
Mississippi River with 5-arch stone bridge at Pakenham
Location of the river mouth in southern Ontario
Location
Country	Canada
Province	Ontario
Physical characteristics
Source	Mackavoy Lake
• location	Effingham Township, Addington Highlands, Lennox and Addington County
• elevation	269 m (883 ft)
Mouth	Lac des Chats on the Ottawa River
• location	Ottawa
• coordinates	45°26′29″N 76°17′07″W / 45.44139°N 76.28528°W / 45.44139; -76.28528[1]
• elevation	71 m (233 ft)
Length	200 km (120 mi)
Basin size	4,450 km2 (1,720 sq mi)
Discharge
• average	40 m3/s (1,400 cu ft/s)
Basin features
Progression	Ottawa River→ St. Lawrence River→ Gulf of St. Lawrence
River system	Ottawa River drainage basin

The Mississippi River is a tributary of the Ottawa River in Eastern Ontario, Canada which has no relation with the Mississippi River in the United States.^{[1][2][3][4][5]} It is 200 kilometres (120 mi) in length from its source at Mackavoy Lake,^[1] has a drainage area of 4,450 square kilometres (1,720 sq mi), and has a mean discharge of 40 cubic metres per second (1,400 cu ft/s). There are more than 250 lakes in the watershed.

Communities along the river include the village of Lanark, the towns of Carleton Place, Mississippi Mills (including towns of Almonte and Pakenham), and Galetta. Here it enters the Ottawa River.