This walk takes you through one of Neath Port Talbot's most ecologically important sites, 'Coedydd Nedd a Mellte'. The start of the walk is clearly visible from The Angel Inn; simply head through the black gates labelled 'Waterfall Country'. This is a short and easy walk that culminates at the spectacular Sgwd Gwladys Falls, although care is needed in sections where the path passes above steep river banks.

The track follows the route which horse drawn drams once travelled to transport silica rock from the mines in the early19th century, one of which is still visible next to the path. You can also see remains of the double race mill which farmers once used to grind corn, with one of the mill stones to be found in the bank above the path. Cross over the river bridge to follow the path on the opposite side of the river up to the falls. The name Gwladys is said to originate from one of the many daughters of Brychan, the 5th-century King of Brycheiniog.

Wildlife Watching: Dipper and Grey Wagtail are often found along this wet, wooded valley, whilst the high humidity creates a perfect environment for many rare and interesting ferns and mosses.