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The Paravur Taluk lies in the flat delta region of the Periyar river and cut by several canals, which have resulted in the formation of many islands.
Pethia muvattupuzhaensis is a species of cyprinid fish found in Muvattupuzha and Periyar Rivers, Kerala, India.
The Varapuzha bridge on NH 17 is a cantilever bridge spanning the Periyar river between Varapuzha and Cheranallur.
The Neriamangalam Bridge, built across the Periyar river, is often referred as 'The Gateway to the Highranges' as it is on the way to the higher regions of Idukki district, especially Munnar.