Fan Frynych, Mountain summit in Brecon Beacons National Park, Wales.
Fan Frynych is a mountain summit rising to 629 meters in the Brecon Beacons National Park and forms the northernmost peak of the Fforest Fawr massif. The hilltop features a trig point marker and is surrounded by open moorland with expansive views across the surrounding ridges and valleys.
The mountain formed during the early Devonian period with brown sandstones and mudstones that became the foundation of the massif. These ancient rock layers shaped the larger landscape and continue to reveal the geological story of the Welsh highlands.
The mountain forms part of the Craig Cerrig-gleisiad and Fan Frynych National Nature Reserve, protecting natural heritage within the Welsh landscape.
The summit can be reached by several paths and tracks connecting to public footways on the eastern, western, and northern sides. The routes are well-trodden but exposed to the elements, so visitors should dress for changing mountain weather.
The northeastern flank displays the Cribarth Fault, a visible fracture in the earth that hikers notice during their ascent. The eastern slopes bear marks of ancient landslips where the ground has shifted, revealing how geological forces continue to reshape the mountain.
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