When visiting the glory of Snowdonia, travellers often find themselves also making a stop at the famous castle, Caernarfon, but what they don't realise is there is a hidden gem a lot closer to them.

Wales is famed for its dramatic and imposing medieval castles – the Edwardian giants of Caernarfon, Conwy, Harlech, and Beaumaris dominate the tourism brochures. But tucked into woodlands, perched on ...