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Photo: Subhmanish, CC BY-SA 4.0 via Wikimedia Commons
A dam that was constructed close to the India-Nepal border. 3 km north of the dam is a freshwater wildlife reserve, where you will find the Gangetic Dolphin among other species.
The Koshi Barrage also known as Kosi Barrage is a sluice across the Koshi river in the Nepalese Mithila region that carries vehicular, bicycle, and pedestrian traffic between Madhesh Province and Koshi Province of Nepal. It is near the International border with India. It was built between 1958 and 1962 and has 56 gates. It was constructed after the Koshi Agreement was signed between the Government of Nepal and India on 25 April 1954. The barrage was designed and built by Joseph and Company Limited, India. The Koshi Tappu Wildlife Reserve is roughly 3–4 miles north of the barrage.
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The U-shaped lake next to Matsyagandha Temple sometimes has boating services available.