via Wikipedia infobox
The Rufiji River lies entirely within Tanzania. It is largest and longest river in the country, formed by the confluence of the Kilombero and the Luwegu river. It is approximately 600 kilometres (370 mi) long, with a source in southwestern Tanzania, terminating at the Indian Ocean, opposite Mafia Island, in Pwani Region. Its principal tributary is the Great Ruaha River. It is navigable for approximately 100 kilometres (62 mi).
The Rufiji river is approximately 200 kilometres (120 mi) south of Dar es Salaam. The river's delta contains the largest mangrove forest in eastern Africa.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).