Tiankeng direction is open all year round.

The direction of the Four Seasons Tiankeng changes according to the different solar terms, as follows:

1. Spring sinkhole is in the southeast.

2. The tiankeng in summer is in the southwest (Kun).

The sinkhole in autumn is in the northwest (dry).

The sinkhole is in the northeast in winter.

The change of sinkhole orientation is carried out in the order of solar terms, and there are different sinkhole orientations every day.