Experience world-class service at Cornerstones Bed and Breakfast One of our top picks in Llangollen.Cornerstones Bed and Breakfast provides en suite accommodation in picturesque Llangollen, overlooking the River Dee and the mountains. Just over 30 minutes from Snowdonia National Park, Cornerstones offers free Wi-Fi, parking passes and hearty breakfasts. Rooms retain original features including oak beams, stone fireplaces and wooden floors. All have en suite facilities, TV and DVD player, and come with bathrobes, an alarm clock and hairdryer. Guests can enjoy a hearty Welsh breakfast prepared with locally sourced produce. A vegetarian option is also available. Among local attractions are the Llangollen steam railway, which runs over 7 miles up to Carrog village. Chirk Castle, thought to date back to the 13th century, is just over 4 miles away.