거칠고개는 원종2동사무소 앞에 있던 작은 포구인 거칠개를 갈 때 이용하던 고개로 것친고개에서 유래되었다.
Gochilgogae Pass originated from the Geotchingogae Pass, which was used to head to Geochilgae that is a small port in front of the Wonjong 2-dong Office.