It's an easy 1 mile hike from Genti/Reed Bay to the Petroglyphs. There are two day use moorings. Note that the bay is exposed and gets rolly with SE to S swell.

We hiked there last week and the falls and stream had lots of water. I see most visitors simply hike to the first waterfall to see the Petroglyphs then turn around. There is a short steep trail to the left of the 'Petroglyphs' waterfall that takes you to the top of this falls and leads to a upper waterfall that is larger and more impressive.