Start point
Suseo Station / Daechi / Jamsil side
Good to know
Continues into the Seongnam section of Tancheon, so you can go 20–30 km if you want. It is easy to confuse the Seoul and Gyeonggi sections
Official source
Checked against
Songpa-gu Office — Songpa Dulle-gil Course 3, Tancheon section 7.4 km (whole Songpa Dulle-gil 21 km)
Source (Korean) →