Corn Du, Mountain summit in Brecon Beacons National Park, Wales.
Corn Du is a mountain summit in the Brecon Beacons, rising to 873 meters (2,864 feet) with a flat, anvil-shaped peak. The summit edge displays clearly visible rock strata that define the mountain's distinctive profile.
The summit contains a Bronze Age cairn with a central burial cist, indicating human settlement in the Welsh mountains in ancient times. These archaeological remains demonstrate that the region has been inhabited for thousands of years.
The name Corn Du comes from Welsh and means Black Peak, referencing the dark tone of the rock face in certain weather conditions. Visitors can observe this naming reflected in the actual appearance of the stone, especially when clouds and rain darken the mountain surface.
The main access paths are well maintained by the National Trust and marked for hikers of varying abilities. Plan to spend two to three hours for the ascent, exploration, and descent to enjoy the experience comfortably.
From this summit, visitors can spot Llyn Cwm Llwch, one of the few natural lakes in the Brecon Beacons. The lake was carved by glaciers during the last ice age and provides a rare water landscape in this mountainous region.
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