[citation needed] Yiyuan has the nickname of “Roof of Shandong” because of its highest average altitude among all counties within the province.

[citation needed] The county is thought to be the setting for the famous Chinese legend of The Cowherd and the Weaver Girl.

[1] Over 62% of the county is covered with forests, which has helped it receive a number of titles from the national government for its high marks in environmental conservation.

[7] As of 2022, the county's gross domestic product (GDP) totaled 32.88 billion renminbi (RMB), a 7.3% increase from 2021.

40 to 50 million years ago and "Beijing Ape Man" at the same time, is the distant ancestor of Shandong people.

In the scenic area, there are the Maitreya Temple, Guanyin Pavilion, cliff statues, thousand-year-old ginkgoes and ancient wells.

It is a forest and fruit belt with the highest altitude in Shandong Province, which has the value of sightseeing tour, leisure holiday and scientific investigation.

It is a national 4A level scenic spot, the fourth highest peak in Shandong Province, and historically the boundary mountain between Qi and Lu.Lushan National Forest Park covers a total area of 40,000 mu, with a forest coverage rate of 95.2%, which is a typical mountain-type scenic area.