Onchon Air Base

Onchon Air Base (온천비행장) is an air base near Onchon, Pyongan-namdo, North Korea.

Facilities
The airfield has a single concrete runway 01/19 measuring 8150 x 170 feet (2484 x 52 m). It has a full-length parallel taxiway and several aprons and hangars. It is on the west coast of North Korea and approximately 47 km west of Pyongyang.

Approximately 5 km to the southeast of the air base is an underground aviation complex with runways extending outwards from the tunnel systems.