Roaring Billy Falls
Roaring Billy Falls is a waterfall in Mount Aspiring National Park, Westland District, New Zealand. It is located in the Haast River valley, around inland from Haast, near Eighteen Mile Bluff on State Highway 6. The falls are a cascade on The Roaring Billy stream. The bottom of the cascade is at an elevation of around where it flows into the Haast River.
Viewing point and walkway
A viewing point is accessible via a walkway from the carpark on State Highway 6. The walkway is a gravel and boardwalk path that passes through silver beech and podocarp forest to the gravel bed of the Haast River where there is a view of the falls on the opposite side of the river. The forest understory along the walk has a dense growth of tree ferns.Vegetation
The path to the viewing point passes through forest on a fertile alluvial terrace with a wide diversity of rainforest plants.The canopy consists of silver beech, southern rātā and kāmahi, and a wide range of podocarps including miro, mataī, kahikatea, rimu and Hall's tōtara. Beneath the canopy there is māhoe, patē, mountain horopito, wineberry, tree fuchsia and Coprosma rotundifolia.
Tree ferns are abundant, mostly the soft tree fern '' and wheki - the rough tree fern. There are also many smaller ferns including crown fern, hound's tongue fern, water fern, prickly shield fern, drooping spleenwort, creek fern, comb fern, crepe fern, Colenso's hard fern and common strap fern. Some filmy ferns are also present.