Yongmasan Mountain (용마산)
With an altitude of 348 meters, Yongmasan Mountain is the highest peak of Achasan Mountain. The mountain stretches through the ridges of Manguri Park and Junggok-dong, with trails connecting to Achasan Mountain Fortress and the back gate of Children’s Grand Park. Nearby parks include Yongmapokpo Park and Yongmasan Sagajeong Park.