Ключевые слова: ancient, britain, british, british castle, british history, cadw, castle, castle ruins, castle tower, dolbadarn, gwynedd, history, holiday, keep, llanberis, llyn, llywelyn, mountain, nant peris, national, north, north wales, old, padarn, park, round, ruin, snowdon, snowdonia, tower, uk, wales, welsh,