Sumbersuko Reservoir is one of Nganjuk water tourism object where often visited for camping and fishing. It is located in Ngumpul Village, Bagor subdistrict, approximately 15 km western of Nganjuk. The land area of about 4 hectares with a depth of 4 – 5 meters.
The government was made a greening or planting a million of trees activities around the Sumbersuko reservoir tourism area, it held on 2010. The access to a reservoir will pass through the minyak kayu putih trees along the way which is managed by Perhutani. The air of Sumbersuko Reservoir is windy such as Nganjuk that known by The Windy City. Here, the tourist can enjoy the reservoir’s scenery while fishing but can not swim on it.