Liyangan site is a large area, and it was found because of the sand mining in the location. The excavation is still ongoing and some new sites found nearby covering larger area.

The mountain rock on the site shows that the sites destroyed by Mount Sindoro eruption in the past.

Liyangan site was found in 2008. Before the big structure found, there were already some yoni existed in the area, including this big size yoni which has been there for many years, in the middle of farm land.