Gaehwa Station is the only elevated station and western terminus of Seoul Subway Line 9. It is located near the border of Gimpo. It houses the headquarters of the Seoul Metro Line 9 Corporation.

Station layout

L2 Platform level
	Eastbound	→ Line 9 Local toward VHS Medical Center (Gimpo International Airport) →
	Island platform, doors will open on the left, right
	Eastbound	→ Line 9 Local toward VHS Medical Center (Gimpo International Airport) →
L1 Concourse	Lobby	Customer Service, Shops, Vending machines, ATMs
G	Street level	Exit