광명시 하안도서관 앞 사거리 일대에는 하안천이 있었으나, 1990년대 하안 택지 개발 사업으로 복개되었다.
There was a river stream at the intersection in front of the Haan Library in Gwangmyeong-si, but it was covered by the Haan housing site development project in the 1990s.