Shiceng Dashan (, Sino-Vietnamese: TháºÂp Tầng ÃÂại Sán or TháºÂp Tầng ÃÂại San, ) is a mountain at the junction of the borders of Laos, China and Vietnam. Its name means "Ten-layer great mountain".
There is a monolith at the top marking the tripoint spot, made of granite, with the emblem of the three countries on it. The monolith was placed on the 27th of June, 2006, being 1,6 meters tall, with its base being 0,4 meters tall.