Things to do in Rhigos

Pwll y Crochan is a striking waterfall located in the upper reaches of the Sychryd valley near Rhigos in the Welsh uplands, positioned at OS grid reference SN925071. This waterfall occupies a remote position in the landscape between the Cynon and Tawe valleys, where the Sychryd stream cascades over ancient sedimentary rocks that characterize much of the South Wales coalfield geology. The waterfall itself features a dramatic plunge of approximately 10 to 15 meters, where the water drops into a deep, dark pool that gives the falls its evocative Welsh name, which translates roughly as "the pool of the cauldron" or "witches' cauldron," a reference to the churning, boiling appearance of the water as it crashes into the basin below. The Sychryd stream originates in the upland moorlands of the Brecon Beacons' southern fringes, gathering water from the peaty, acidic soils of the plateau before descending through increasingly wooded valleys. The geology underlying Pwll y Crochan consists primarily of Carboniferous sandstones and mudstones, with the waterfall forming where harder bands of rock have resisted erosion more effectively than the softer strata upstream and downstream. This differential erosion has created the distinct vertical drop that characterizes the falls, while the plunge pool beneath has been carved out over millennia by the hydraulic action of falling water and the grinding effect of stones and sediment carried by the stream during periods of high flow. The landscape surrounding Pwll y Crochan is typical of the South Wales uplands, featuring a mixture of coniferous plantation forestry, remnant native oak woodland, and open moorland. The falls themselves are situated within a wooded gorge where the Sychryd has cut down through the landscape, creating steep-sided valleys clothed in moss, ferns, and native trees. During periods of heavy rainfall, which are common in this part of Wales, the waterfall can become a thunderous torrent, with spray rising from the plunge pool and the sound of falling water echoing through the valley. In drier summer months, the flow may diminish to a more modest cascade, though the falls rarely run completely dry due to the catchment's relatively reliable rainfall and the water-retaining properties of the upland peat. The name Pwll y Crochan carries with it suggestions of folklore and the supernatural associations that many Welsh waterfalls possess. The term "crochan" evokes images of witches' cauldrons and the mystical properties attributed to such places in Welsh tradition, where deep pools and dramatic natural features were often believed to be inhabited by spirits or to serve as gateways to the otherworld. While specific legends attached to this particular waterfall may not be widely documented, the nomenclature suggests that local people historically regarded this spot with a mixture of awe and perhaps wariness, as was common with many dramatic natural features in the Welsh landscape. Access to Pwll y Crochan requires some effort, as the waterfall is located in a relatively remote part of the Welsh uplands away from major population centers. The nearest settlement of any size is Rhigos, a former mining village that sits on the ridgeline between valleys. Visitors typically approach the falls via footpaths that descend from the higher ground, often requiring navigation through forestry tracks and occasionally indistinct moorland paths. The terrain can be challenging, particularly in wet weather when paths become muddy and stream crossings may be difficult, and proper walking boots and navigation skills are advisable for those seeking out this somewhat hidden gem. The wildlife in the vicinity of Pwll y Crochan reflects the biodiversity of the South Wales uplands, with the wooded gorge providing habitat for woodland birds including dippers, grey wagtails, and common sandpipers that frequent the stream margins. The damp, shaded environment of the gorge supports rich communities of bryophytes and ferns, while the surrounding moorlands are home to skylarks, meadow pipits, and occasionally red kites that have made a remarkable recovery across Wales in recent decades. The stream itself, though acidic due to its moorland origins, supports populations of brown trout and invertebrates adapted to fast-flowing upland waters. The historical context of this landscape is intimately connected with the industrial heritage of South Wales, as the surrounding area was once at the heart of coal mining activity. While Pwll y Crochan itself remained largely untouched by direct industrial development, the valleys to either side were transformed by mining operations, and the workforce that sustained these industries lived in communities like Rhigos. Today, much of the former industrial landscape has been reclaimed by nature or transformed into recreational spaces, with the upland areas serving as important green spaces for both wildlife and for people seeking respite from urban environments. The waterfall stands as a reminder of the natural beauty that persists in these landscapes, offering a stark contrast to the human-altered valleys below.