The Missisa River is a river in northeastern Kenora District in northwestern Ontario, Canada.^[1] It is in the James Bay drainage basin and is a right tributary of the Attawapiskat River.

Quick Facts Location, Country ...

Missisa River
Location of the river mouth in Ontario
Location
Country	Canada
Province	Ontario
Region	Northwestern Ontario
District	Kenora
Physical characteristics
Source	Missisa Lake
• coordinates	52°15′21″N 85°04′37″W
• elevation	170 m (560 ft)
Mouth	Attawapiskat River
• coordinates	53°01′37″N 84°54′02″W
• elevation	99 m (325 ft)
Basin features
River system	James Bay drainage basin

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The Missisa River begins at Missisa Lake and flows north to its mouth at the Attawapiskat River, which flows to James Bay.