Quick answer: A complete first trip combines Tianchi, one major scenic route and at least one seasonal or local experience.
See Tianchi if weather allows
The crater lake is the signature experience, but make it one priority among several rather than the only reason for the day.
Walk the North Slope attraction circuit
The waterfall, hot-spring area and forest scenery make the North route more varied than a simple viewpoint visit.
Experience a second slope
On longer trips, a different slope can change the perspective of the mountain and Tianchi.
Add seasonal experiences
Hot springs, autumn color, winter skiing or snow activities can turn a basic sightseeing trip into a more complete destination experience.
Editorial note: ticketing, scenic-area access and transport procedures can change. Verify time-sensitive details with current official Changbai Mountain tourism notices before travel.