Tickets are included in the scenic spot on the northern slope of Changbai Mountain. From the transfer center on the northern slope of Changbai Mountain, take the interval bus to Xiaotianchi and Luyuantan. The first stop is Xiaotianchi and the second stop is Luyuantan. Green Yuantan Lake is green. Several clear springs pour down from the top of the cliff and merge into the green pond. It's really beautiful! It's better to go in the afternoon. It's a bit sunny in the morning.