Yonsan CountyYŏnsan County is a county in North Hwanghae province, North Korea.Administrative divisionsYŏnsan county is divided into 1 ŭp, 1 rodongjagu and 14 ri :InfrastructureYonsan has a hydropower station with two generator units. The first unit commenced operation on 9 September 2008.TransportationYonsan County has a trolleybus line in Holdong-rodongjagu; it is observed to run west to a tunnel entrance from next to a building in Holdong-rodongjagu. The state of operation is unknown and no trolleybuses can be observed from satellite imagery.Historic sitesThe tomb complex of Kongp'o-ri