Heading up the Llanthony Valley on the lower slopes either side to summit Bal Mawr and walk the ridge to the Chwarel y Fan, the County top of Monmouthshire. Descend to the Grwyne Fawr valley before ascending to summit Twyn Y Gaer. A varied walk on little known paths and tracks with some rough ground thrown in. Graded as moderate with 4,000 feet of ascent
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