Line 3 Info
- Network Seoul Subway
- Operation Started 1985
- Total Length 57.4 km
- Total Stations 44
Terminals
From
Daehwa
To
Ogeum
Line 3 Overview
Line 3 opened on July 12, 1985, between Gupabal and Yangjae. Its southern extension to Ogeum opened on February 18, 2010. The line is 57.4 kilometers long and has 44 stations. It connects northwestern Seoul and Goyang with central Seoul and southeastern Seoul. Important stations on this line include Gyeongbokgung, Jongno 3-ga, Express Bus Terminal, Apgujeong, and Daehwa, which provide connectivity to major metro lines.
Seoul Subway Map 2026
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Other Lines in Seoul Subway
AREX Line
Seoul Station ↔ Incheon Int'l Airport Terminal 2
EverLine
Giheung (Nam June Paik Art Center) ↔ Jeondae·Everland
Gimpo Goldline
Gyeongchun Line
Cheongnyangni ↔ Gapyeong
Gyeonggang Line
Pangyo ↔ Samdong
Gyeongui–Jungang Line
Munsan ↔ Jipyeong
Gyeongui–Jungang Line
Gajwa ↔ Seoul Station
Incheon Line 1
Gyeyang ↔ Songdo Moonlight Festival Park
Incheon Line 2
Geomdan Oryu (Geomdan Industrial Complex) ↔ Unyeon (Seochang)
Line 1
Geumcheon-gu Office ↔ Gwangmyeong
Line 1
Soyosan ↔ Incheon
Line 1
Guro ↔ Sinchang (Soonchunhyang Univ.)
Frequently Asked Questions — Line 3
Line 3 has 44 stations on the Seoul Subway network.
Line 3 runs between Daehwa and Ogeum.
Line 3 is approximately 57.4 km long.
Line 3 opened in 1985.
Line 3 is a Metro line operated under Seoul Subway.
Line 3 is part of the Seoul Subway transit network.