Dduallt, Mountain summit in Gwynedd, United Kingdom
Dduallt is a mountain in Gwynedd that rises to 662 meters, with steep eastern slopes and a prominent cairn marking its highest point. The northern and eastern sides feature complex terrain including extensive boggy areas that shape the landscape.
The mountain received its classification as a Hewitt, Nuttall, and HuMP peak based on elevation and prominence measurements in British mountaineering records. These classifications emerged from systematic surveying and reflect its importance in British climbing traditions.
The Welsh name Dduallt comes from the mountain's dark appearance, showing how local naming traditions connect directly to visible landscape features. Visitors walking here can still observe these distinctive dark rock formations across the slopes.
The easiest approach to the summit goes from the southwest, as northern and eastern routes cross more demanding terrain with boggy sections. Good hiking boots and caution in wet conditions help you navigate these trickier areas safely.
The eastern slopes are the source of the Afon Dyfrdwy, better known as the River Dee, which flows through Wales and England. This waterway forms one of the region's most important river systems.
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