Grootrivier

Based on OpenStreetMap data, Grootrivier is 16 km long.

Grootrivier is in South Africa, flowing through the subregions of Western Cape

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Grootrivier has 3 tributaries.

Ongelegenrivier, which joins it at S 33° 43′ 2″, E 23° 24′ 18″ at OSM node n1887347190, and 3 km of total upstream flows in.
Klein, which joins it at S 33° 44′ 10″, E 23° 18′ 20″ at OSM node n6053399043, and 2 km of total upstream flows in.
an unnamed river, which joins it at S 33° 43′ 15″, E 23° 22′ 29″ at OSM node n1887348206, and 253 m of total upstream flows in.