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Tigapuluh Mountains
mountains, Indonesia
Learn about this topic in these articles:
feature of Riau
- In Riau: Geography
The Tigapuluh Mountains, with an average elevation of 2,369 feet (722 metres), thrust northward near the province’s south-central boundary. A belt of swamps, fed by the Rokan, Tapung, Siak, Kampar, and Indragiri rivers flowing eastward from the highlands, extends inward from the coast to a maximum…
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