Emeishan (Chinese: 峨眉山市; pinyin: Éméishānshì) is a county-level city in Sichuan province, China. It is administered by the prefecture-level city Leshan. Its population in 1990 stood at 396,445. It is named after Mount Emei, a famous mountain located within its administration. Wikipedia
Emeishan in China offers a unique experience to travellers. After your splendid visit to Emeishan, you can proceed to an important near-by city of Chengdu. Chengdu is bestowed with interesting set of attractions like Giant Panda Breeding Research Base, Jinli Pedestrian Street, Mount Qingcheng. Also, to reach Emeishan, you'll have to take a flight to Chengdu; so its not really a detour. And even if it is, the city is worth paying at least a quick visit. 1-2 days is an ideal duration of visit to Emeishan.
Yes,it is that simple really! Enjoy your trip! Keep travelling!