Mattawa River

Mattawa River is 74 km long, and has a stream level of 2.

Map of Mattawa River

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Distributaries / Outflows

Mattawa River flows into Ottawa River / Rivière des Outaouais , which it joins at N 46° 19′ 20″, W 78° 42′ 16″ at OSM node n7212412980, and there 6,713 km of total upstream flows in.

Tributaries

Mattawa River has 13 tributaries.

North River, which joins it at N 46° 20′ 13″, W 79° 8′ 43″ at OSM node n5077438373, and 199 km of total upstream flows in.

Amable du Fond River, which joins it at N 46° 18′ 5″, W 78° 52′ 40″ at OSM node n5077439546, and 84 km of total upstream flows in.

(unnamed), which joins it at N 46° 20′ 6″, W 79° 19′ 55″ at OSM node n740310582, and 25 km of total upstream flows in.

Glassy Creek, which joins it at N 46° 19′ 59″, W 79° 7′ 18″ at OSM node n5077438390, and 22 km of total upstream flows in.

(unnamed), which joins it at N 46° 19′ 57″, W 79° 19′ 12″ at OSM node n12420163965, and 9 km of total upstream flows in.

(unnamed), which joins it at N 46° 19′ 51″, W 79° 17′ 31″ at OSM node n12420163967, and 1 km of total upstream flows in.

(unnamed), which joins it at N 46° 18′ 48″, W 79° 9′ 49″ at OSM node n8191496461, and 560 m of total upstream flows in.

(unnamed), which joins it at N 46° 19′ 48″, W 79° 9′ 34″ at OSM node n8191496458, and 516 m of total upstream flows in.

(unnamed), which joins it at N 46° 18′ 21″, W 79° 14′ 4″ at OSM node n12420163962, and 480 m of total upstream flows in.

(unnamed), which joins it at N 46° 18′ 43″, W 79° 15′ 13″ at OSM node n12420163979, and 408 m of total upstream flows in.

(unnamed), which joins it at N 46° 18′ 22″, W 79° 13′ 26″ at OSM node n5077438340, and 336 m of total upstream flows in.

(unnamed), which joins it at N 46° 19′ 25″, W 79° 16′ 15″ at OSM node n12420163971, and 306 m of total upstream flows in.

(unnamed), which joins it at N 46° 18′ 9″, W 79° 12′ 42″ at OSM node n5077439019, and 98 m of total upstream flows in.