Fortress Creek Falls is formed by Fortress Creek plunging dramatically over a 100 metre cliff above the Grose Valley, before it continues to Govetts Creek. You can see the falls in the distance from the Lockleys Pylon track.

You can also access the top of the falls along the Fortress Ridge track, although this requires either some scrambling from the track, or canyoning down Fortress Creek (one abseil required).
A video by Hidden Gems provides a great view of this waterfall.
Getting to Fortress Creek Falls
The best view of Fortress Creek falls is from about three kilometres along the Lockleys Pylon trail, which starts along Mount Hay Road. To access the top of the falls, take the Fortress Ridge trail (also from Mount Hay Road), with the last section requiring some scrambling.
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Lockleys Pylon to Blue Gum Forest | Hiking the World · October 30, 2021 at 7:54 pm
[…] we get closer to Lockleys Pylon, there’s a great view of the Fortress Creek Falls, and the Grose Gorge just […]