Yŏnsan county is divided into 1 ŭp (town), 1 rodongjagu (workers' district) and 14 ri (villages): Yonsan has a hydropower station with two generator units.

The first unit commenced operation on 9 September 2008.

[2] Yonsan 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.

[3] The tomb complex of Kongp'o-ri[4] This North Korea location article is a stub.