Nui Coc Lake, Artificial reservoir in Thai Nguyen Province, Vietnam.
Nui Coc Lake is an artificial reservoir in Thai Nguyen Province in northern Vietnam. The water surrounds forested islands and extends to hills that frame the horizon.
The reservoir formed during the 1970s to irrigate farmland and generate electricity. Engineers dammed river channels and shaped the present waterscape with its islands.
Residents name the lake after a legend about two lovers and visit the islands for weekend trips. Fishing boats share the water with tour boats that carry visitors to the forested hills.
The northern area offers lodging and a water park, while the south is quieter and suits walks. Visitors who want to reach the islands find boat piers along the shore.
The water filters nutrients from farmland and retains large amounts of nitrogen and phosphorus. This natural cleaning helps improve water quality downstream.
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