Once upon time, flooding would visit Songchon because of its high river bed. Now, afforestation and water conservation facilities prevail over natural disasters. The area, which is equipped with the Pujon and Jangjin electric power plants, has been developed into one of the main granaries of Korea. In autumn, winds which rise in the Hamhung Bay, cross the coast and collide with the Pujongryon Mountains in the northeast and the Rangrim Mountains in the northwest, generating clouds. If you walk on agricultural fields in the early morning of the harvest season, you can hear the tinkling of cowbells.
Sunrise drives away the clouds to show a beautiful scenery of golden fields.
As these plains are formed of piled soil and stones conveyed by the river, there are many lakes with dry beaches and boggy grounds there. Farmers in the area exploit boggy reclaim agricultural fields from boggy grounds. Other major plains located along the east coast of the Korean Peninsula include the Tanchon Plains in South Hamgyong Province, the Kilchu Plains in North Hamgyong Province, and the Anbyong Plains in Wonsan City. The king of plains on the south coast is the Kimhae Plains in South Kyongsan Province, which is known for its fertile soil. Located in a delta zone at the estuary of the River Rakdong, they are frequently visited by natural disasters.