Has any one ever been Jiuxiang cave? Is it good? How to go there from KM?

Yes, Jiuxiang Cave is a popular scenic spot. And it is absolutely worth to go. You will be shocked by the beautiful natural scenery.
From Kunming, take long-distance bus at East Bus Station, and get to Yiliang County first. The ticket fare is CNY 18 per adult. After arriving, transfer to another bus to the scenic area.