저우커우뎬 유적 1호 동굴은 길이가 동서 140 ｍ, 남북 40 ｍ에 높이가 40 ｍ인 석회암 동굴이다.
Cave No. 1 of Zhoukoudian Sites is a limestone cave 140 meters in length from east to west, 40 meters in length from north to south, and 40 meters in height.