How big is the area of the Kilometer Cave in Kunlun, Zichuan?

It covers an area of over 500,000 square kilometers.

According to the treasure data of Zichuan District, the Kunlun Kilometer Cave in Zichuan District covers an area of more than 500,000 square kilometers, with twists and turns.

In the rolling mountains in the east of Zichuan, there is a cave 10248 meters long on the east side of the main canal of Taihe Reservoir, just like a magnificent corridor, hidden in the belly of the rolling mountains.