National Route 7 (Korean: 국도 제7호선; RR: Gukdo Je Chil(7) Hoseon) is a national highway in South Korea.
It connects Busan with Goseong in Gangwon Province.
Before the division of the Korean Peninsula, the highway ran until Onsong, North Hamgyong Province, in present-day North Korea.
In de jure, the highway passes through South & North Hamgyong Province, which are de facto controlled by North Korea.
By this highway, it throughs Hwasong concentration camp.