The Koshi Barrage is a Nepalese flood control sluice across the Koshi River in Mithila region of Nepal. It was built between 1958 and 1962. It has 56 gates which are controlled by Nepal Army and officers imported from India. Downstream of the barrage near the border with India, Indian government has created an embankment which can create floods and other problems in Nepal.The Koshi Tappu Wildlife Reserve is roughly 3–4 miles north of the Barrage.