The Jagdishpur Reservoir is a reservoir in Jahadi Village Development Committee, Kapilvastu District, Nepal. With a surface area of 225 ha (556 acres), it is the largest reservoir in the country and an important wetland site. It is situated at an altitude of 197 m (646 ft). The maximum water depth varies between 2 m (6.6 ft) in the dry season and 7 m (23 ft) in the monsoon season. The Jagdishpur Reservoir is listed on the Ramsar List of Wetlands of International Importance, as defined by the Ramsar Convention.