On the Riguan Peak, there is a group of Chinese and Western, stone walls and green tiles, gray tone buildings, this is China's earliest alpine weather station Taishan weather station, it is China's Taishan weather station for participating in the second International Polar Year plan, the first meteorological record on August 1, 1932. After the International Polar Year observation mission, Mr. Yu Kexuan chose the site of the Riguanfeng to expand into a permanent alpine meteorological station. On January 1, 1936, it was opened, and it was called the "National Central Research Institute Riguanfeng Meteorological Station". The north of the peak of the sun, there is a boulder slanting northward, called "Gongbei Stone", because its shape is like getting up to explore the sea, so it is also known as "exploring sea stones". There are "wonderful", "boat stone rock", "drunk stone" and Ming people titles, such as: Yuke's "and the world forever", Fang Yi's "xiongshi East Sea", Liu Haisu's "sea of clouds", Chen Yi's "Taiyue towering mountains", etc. On the landing you can enjoy the magnificent scene of the rising sun, you can also see the mountains, the clouds and the sea.