ㄌㄨㄥˊlóngㄇㄣˊménㄕㄢshān

  1. ➊ ​ 河南省洛陽➋ ​ 山西省河津陝西省大禹➌ ​ 四川省東北➍ ​ 察哈爾省赤城東北塞北扼要

Mt Longmen, the northwest boundary of the Sichuan basin, an active geological fault line, Mt Longmen in Shandong, Mt Longmen in Henan