Shaki Waterfall (Armenian: Շաքիի ջրվեժ) is Armenia’s highest waterfall, with a height of 18 m. It is located in Syunik Province.

The Shaki Waterfall is situated 6 km from the town of Sisian. On the left side of the river Vorotan’s gorge, basalt lava flows have solidified to form a ledge 18 meters high from which the waterfall cascades down.