Well, "on top" is always relative. This dune is significantly lower than many of the surrounding dunes. But it's the highest one, and one that's also popular with large-scale sliders. …
A good place to rest and enjoy the view on the Cape Reinga Coastal Walkway. Just a 30 minutes walk from the Tapotupotu Campsite and about one day hike to Spirits Bay.
Where the path ends on Komoot, you can continue for quite a bit – completely safe in dry weather and moderate wind. It looks like people keep trying to walk …