Visit Gupteshwor Mahadev Cave the longest cave in Nepal just downstream of Devi's waterfall.

The Gupteshwor Mahadev Cave (known in the local tongue as Bhalu Dulo) is recognized as one of the longest caves in Nepal with a length that exceeds 2,000 meters. The cave sits across Davi's fall, and inside the cave, one can hear the thundering sound of water.