Sadni Falls (also called Sadnighagh Falls) is a waterfall located about 3 kilometres (1.9 mi) from Rajadera village in Gumla district in the Indian state of Jharkhand.

It is referred to as a snake type falls and is a popular picnic spot.

[5] Once upon a time, active diamond mines existed at Sadni Falls.

These mines yielded many large and fine stones in the sixteenth and the seventeenth centuries.

[7] There are regular bus services between Ranchi, the state capital and Netarhat.