Omo River (Quebec)

The main hydrographic slopes near the Omo River are:

• North side: Assinica Lake, Assinica River, Brock River;
• East side: Comencho Lake, Opataca Lake;
• South side: Mildred River, Caupichigau River, Chibougamau River;
• West side: Maicasagi River, Monsan River.

The Omo River originates at the mouth of an unidentified lake (length: 3.4 kilometres (2.1 mi) altitude: 385 metres (1,263 ft)) in the Assinica Wildlife Sanctuary. This source of the river is located at:

• 44.9 kilometres (27.9 mi) North of the mouth of the Omo River (confluence with the Maicasagi River);
• 101.4 kilometres (63.0 mi) Northeast of the mouth of the Maicasagi River (confluence with Maicasagi Lake);
• 130.3 kilometres (81.0 mi) Northeast of the mouth of Goéland Lake (Waswanipi River);
• 162.6 kilometres (101.0 mi) Northeast of the mouth of Matagami Lake;
• 318.2 kilometres (197.7 mi) South of the mouth of the Nottaway River;
• 180.5 kilometres (112.2 mi) Northeast of downtown Matagami.

From the head lake, the Omo River flows on 60.4 kilometres (37.5 mi) in the Assinica Wildlife Sanctuary, according to the following segments:

The toponym "Monsan River" was formalized on December 5, 1968, at the Commission de toponymie du Québec, i.e. at the creation of this commission[2]

Upper part of the Omo River (segment of 37.9 kilometres (23.5 mi))

• 7.9 kilometres (4.9 mi) westerly crossing an unidentified lake (length: 1.1 kilometres (0.68 mi); altitude: 378 metres (1,240 ft)), then to the South crossing a second unidentified lake (length: 2.4 kilometres (1.5 mi); altitude: 372 metres (1,220 ft)), to a creek (coming from the Northeast);
• 3.2 kilometres (2.0 mi) southwesterly, crossing an unidentified lake (length: 1.4 kilometres (0.87 mi); altitude: 360 metres (1,180 ft)), up to at its mouth;
• 7.8 kilometres (4.8 mi) to the Southwest, then crossing an unidentified lake (length: 1.5 kilometres (0.93 mi); altitude: 361 metres (1,184 ft)) to at its mouth;
• 8.0 kilometres (5.0 mi) southwesterly to a bay on the eastern shore of Lake Omo;
• 11.0 kilometres (6.8 mi) southwesterly, crossing Omo Lake (elevation: 335 metres (1,099 ft)) over its full length;

Lower part of the Omo River (segment of 22.5 kilometres (14.0 mi))

• 3.7 kilometres (2.3 mi) to the Southeast, crossing an unidentified lake (length: 2.6 kilometres (1.6 mi); altitude: 335 metres (1,099 ft)), up to at its confluence;
• 1.8 kilometres (1.1 mi) westerly across an unidentified lake (length: 5.0 kilometres (3.1 mi); altitude: 335 metres (1,099 ft)), to its confluence;
• 5.8 kilometres (3.6 mi) southwesterly across an unidentified lake (length: 6.4 kilometres (4.0 mi); altitude: 333 metres (1,093 ft)), its confluence;
• 11.2 kilometres (7.0 mi) southeasterly to mouth.[3]

The "Omo River" flows into a river bend on the east bank of the Maicasagi River. From there, it flows southwest and west to the east shore of Maicasagi Lake. Then the current flows south-west through the Max Passage into the Goéland Lake. The latter is crossed to the northwest by the Waswanipi River which is a tributary of Matagami Lake.

The mouth of the Omo River located at:

• 60.5 kilometres (37.6 mi) Northeast of the mouth of the Maicasagi River (confluence with Maicasagi Lake);
• 89.1 kilometres (55.4 mi) Northeast of the mouth of [Gull Lake (Waswanipi River)]];
• 107.3 kilometres (66.7 mi) Northeast of the mouth of Olga Lake (Waswanipi River);

North of the village center of Waswanipi;

• 146.5 kilometres (91.0 mi) Northeast of downtown Matagami.

Of Cree origin, this hydronym means the river where I ate only part of the dinner.

The toponym "Omo River" was formalized on December 5, 1968, at the Commission de toponymie du Québec, i.e. at the creation of this commission[4]