Which three mountains do you mean?

Sanshan refers to the three famous mountains in ancient China-Songshan Mountain, Hengshan Mountain and Hengshan Mountain, all located in Henan Province. Among them, Songshan Mountain, located in the northwest of Luoyang City, Henan Province, is the head of the five mountains in China, known as the "first mountain in the world" and the birthplace of Buddhism in China; Hengshan Mountain, located in the southwest of Luoyang City, Henan Province, was called "Nanyue" in ancient times. The main peak climbs Yingzhou Peak, with an altitude of 15 18.8 meters. Hengshan Mountain is located in the southeast of Luoyang City, Henan Province, and was called "Dongyue" in ancient times. The main peak of Sesame Mountain is1512.3m above sea level, which is the birthplace of Taoism in China.

Songshan Mountain is located in the northwest of Dengfeng City, Henan Province, adjacent to the ancient capital Luoyang in the west and Zhengzhou in the east. It belongs to the Funiu Mountain System, a national 5A-level scenic spot and a [1] World Geopark. It is the birthplace of the three religions culture and an important birthplace of Chinese civilization.

Hengshan Mountain, also known as Nanyue, Shouyue and Nanshan, is one of the "Five Mountains" in China. It is located in the southeast of central Hunan Province, China, between Hengyang and Xiangtan Basin, and its main part is located in Nanyue District of Hengshan County and the east of Hengyang County. According to the Warring States Period "Shi Gan Jing", it was named Hengshan because it was located on the wing of the Twilight Star of the Twenty-eight Stars.

Hengshan includes two concepts: narrow sense and broad sense. In a narrow sense, Mount Hengshan is the so-called "Mount Hengshan in Beiyue", also known as "Mount Taiheng". It was once called Xuanwu Mountain, Lushan Mountain, Gaoshi Mountain and Xuan Yue Mountain. In the late Ming and early Qing dynasties, it was identified as Mount Hengshan, the "Five Mountains". Tianfengling, the main peak, is located at 10 km south of Hunyuan, with an altitude of 20 16.8 meters. It is known as "the pillar of man in the north" and "an absolutely famous mountain".