Pathalamの地形図
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Periyar River
The southernmost part of the Cardamom Hills i.e. the source of Periyar River is a narrow valley extending south of Kumily. This is the southern extreme of the Periyar basin. It is less than 20 kilometres (12 mi) wide and is about 40 kilometres (25 mi) long. The upper catchments of Periyar extend as a wedge…
平均標高：8 m