Graig Syfyrddin, Hill summit in Monmouthshire, United Kingdom.
Graig Syfyrddin is a hill in Monmouthshire that rises 423 meters and features a summit knoll known as Edmund's Tump. The peak is topped with an Ordnance Survey Trig Point that marks the highest point of the hill.
The hill sits along the Three Castles Walk, a walking route connecting three medieval castles built by Norman forces: Grosmont Castle, White Castle, and Skenfrith Castle. This path traces a route of strategic importance established centuries ago across the Welsh borderlands.
The summit knoll called Edmund's Tump reflects how Welsh place names often connect to local stories and figures from the past. Such naming traditions reveal how communities have used geography to mark their heritage and mark important locations over time.
Several walking paths lead to the summit with varying difficulty levels and starting points nearby. The hike typically takes one to two hours depending on which route you choose and your fitness level.
The hill is built from micaceous sandstone of the Brownstones Formation, which makes it a geological outlier of the Black Mountains range. This rocky composition sets it apart from the typical formations found in the surrounding area.
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