Gaganachukki Falls is one of the landmarks of Sivanasamudram along with Barachukki Falls.

Gaganachukki is a magnificent falls dropping from a height of about 90 mts. The falls can be watched from a viewpoint which can be reached by little walk from the parking area. It is highly dangerous to trek down to bottom of the falls and it's a restricted activity due to recent accidents.

The water drops into a big pool which is merged into the mainstream of Kaveri River. There is a hydral power station can be reached by 1-2 Kms drive from the falls and it's worth visiting place.

July to October is the best time to watch the beauty of these falls. Food and accommodation are available in the hotel near parking area of the falls.