From the bus stop, walk up to a small hot spring where you can soak your feet or buy delicious boiled eggs (cooked in the spring). Past that a 1km trail leads to the viewpoint for the magnificent 68m Chángbái Waterfall. In the past you could follow the dramatic-looking caged trail beside the falls up to the base of the Heaven Lake, but that route is now officially sealed. And don’t bother trying to sneak in; park staff will quickly call you back.
If the 3.5km-long boardwalk running through birch forests from the falls to the Green Deep Pool area is open, it's worth the walk.