It is usually established on a high mountain or a hill.Nowadays on the boundless grasslands an Obo not only can function as an offering place, but also as a road or route sign.

• 广阔的草原上是没有路标的，牧人迷了路，看到了Obo (敖包)，便能识别方向，因为祭台的方向指向正南方。