This is a beautiful walk with many waterfalls, rocky outcrops and lovely wildflowers. It starts at a picnic area, so its a great place to have lunch as well. They have just upgraded the picnic area and its pretty impressive.
Start at Somersby Falls Picnic Area: -33.400957634089295, 151.27071211155248 Google Maps Link
Head down to the falls, there are two, an upper and a lower falls, here is the lower falls location: -33.400997388175995, 151.26849906315238 Google Maps Link
If you are looking for a longer walk or a swim, there is an unmaintained path that continues down the bottom along the creek line, Somersby Falls Lower Swim. There are also many other stunning falls further downstream like the falls below:
Similar Bushwalks: