Upon arrival at Heathrow or Gatwick Airport, travel by rail to the vibrant Welsh capital of Cardiff, where you’ll stay for the next three nights. After settling into your hotel, begin your exploration with a stroll through Cathays Park, known for its grand Edwardian baroque buildings and the National Museum and Gallery of Wales. Dive into local culture at the Victorian market and charming shopping arcades, or take a guided tour of the iconic Millennium Stadium, home to Welsh rugby. Don’t miss Cardiff’s crowning landmark—Cardiff Castle—where Roman walls, a Norman keep, and an opulent Victorian mansion come together in spectacular fashion.

Overnight in Cardiff.

Train: UK rail (estimate travel time to Cardiff- 2 hours).

Breakfast at the hotel.

Just a short train ride from the city centre lies cosmopolitan Cardiff Bay. Once the world’s largest coal-exporting port, this revitalised waterfront is now a vibrant hub featuring the Welsh Parliament, the striking Millennium Centre, the historic Pierhead Building, and the charming Norwegian Church. In the afternoon, you might opt to take a local bus or taxi to St Fagans National Museum of History—an open-air museum offering a fascinating glimpse into Welsh life through the centuries. Alternatively, hop on a quick train to Caerphilly and explore the impressive 13th-century Caerphilly Castle, famed for its expansive moat and leaning tower.

Overnight in Cardiff.

After breakfast, board the train and journey westward, travelling through the industrial heartlands of South Wales before reaching the gentle, green landscapes of Carmarthenshire. Continue on to one of Wales’ most picturesque regions—Pembrokeshire, a coastal gem boasting nearly 200 miles of protected shoreline. Your destination is the charming seaside town of Tenby, where you’ll stay for the next two nights. Often considered one of Wales’ best-kept secrets, Tenby delights with its lively harbour, historic Norman castle and medieval walls, winding cobbled streets, and sweeping sandy beaches that stretch out to the horizon.

Overnight in Tenby.

Train: UK rail (estimate travel time from Cardiff to Tenby- 3 hours).

After breakfast, set out from Tenby to explore the nearby towns and villages of Pembrokeshire by rail. Journey along the coastline to the picturesque harbour village of Saundersfoot, where you can enjoy traditional fish and chips by the waterfront. Or head inland to the small village of Lamphey, home to the evocative ruins of the medieval Bishop’s Palace. Another excellent option is a visit to the historic town of Pembroke to discover the grand medieval fortress of Pembroke Castle.

Overnight in Tenby.

After breakfast, enjoy a free day to relax or explore Aberystwyth at your own pace. This charming Victorian seaside town offers plenty to discover—from strolling along the promenade to visiting Wales’ oldest pier and the historic ruins of Aberystwyth Castle.

For those who’d like to explore further, consider a local day tour—perhaps a ride on the scenic Vale of Rheidol Railway, a visit to the National Library of Wales, or a gentle hike up Constitution Hill for panoramic coastal views. Whether you choose to unwind or dive into local sights, Aberystwyth offers a perfect blend of history, culture, and sea air.

Overnight in Aberystwyth.

After breakfast, board a beautifully restored Edwardian steam train and set off on a memorable journey through some of Wales’ most breathtaking scenery. As the narrow-gauge locomotive climbs steadily uphill, the landscape shifts from wide open fields and meadows to dense woodlands and rugged mountains. The train ascends 700 feet to Devil’s Bridge, a spectacular natural wonder nestled in the Cambrian Mountains, known for its dramatic waterfalls and unique set of three stacked bridges. With winding nature trails and awe-inspiring views, it’s easy to see why this magical spot once inspired poets like William Wordsworth.

Overnight in Aberystwyth.

After breakfast, embark on one of Wales’ most scenic rail journeys as you travel along the stunning West Wales coastline from Aberystwyth to the enchanting village of Portmeirion. Created by Sir Clough Williams-Ellis in the early 20th century, Portmeirion is a whimsical blend of Riviera-style architecture, vibrant gardens, and an iconic campanile—offering a truly unique experience unlike anywhere else. Take time to wander through its colourful buildings, charming shops and cafés, picturesque piazza, and engaging exhibitions with audio-visual displays. Don’t miss the chance to explore the 70 acres of exotic woodland, crisscrossed by 19 miles of trails leading through forests, hidden corners, and coastal coves. Be sure to visit the village’s beloved “Stone Boat,” the Amis Reunis—or “Friends Reunited”—for the perfect finishing touch to your visit.

Overnight in Portmeirion.

Train: UK rail (estimate travel time from Aberystwyth to Portmeirion- 3 hours).

After breakfast, a short rail journey brings you to the coastal town of Harlech, where sweeping beaches, windswept dunes, artisan ice cream shops, and the famously steep Ffordd Pen Llech—the steepest street in the world—await. Harlech is a gateway to some of Wales’ finest walks and hikes, offering breathtaking views of Snowdonia National Park on one side and the untamed waves of the Irish Sea on the other. The town’s crowning jewel is the UNESCO World Heritage-listed Harlech Castle, one of Edward I’s most formidable fortresses. Perched dramatically on a rocky outcrop and ringed by ancient stone walls, the castle now features a modern ‘floating’ bridge, allowing visitors to enter its storied defences for the first time in over six centuries.

Overnight in Portmeirion.

After breakfast, rejoin the Welsh Highland Railway as it winds around the base of Mount Snowdon, before connecting with the historic Ffestiniog Railway—the world’s oldest narrow-gauge railway. This scenic route climbs over 700 feet from sea level, offering breathtaking views as you travel through peaceful pastures, ancient woodlands, and past sparkling lakes and waterfalls. Upon arrival in Blaenau Ffestiniog, transfer to the mainline and journey south along the picturesque Conwy Valley line to the elegant Victorian seaside town of Llandudno. Here, you’ll find beautifully preserved architecture, a classic Victorian pier, and the oldest operational cable tramway in Britain, which transports visitors to the summit of the Great Orme for sweeping coastal views.

Overnight in Llandudno.

Train: estimate travel time from Portmeirion to Llandudno- 5.5 hours.

After breakfast, take the train to Bangor, then a short bus ride will bring you to the historic town of Caernarfon. As you arrive, you’ll notice the town’s winding narrow streets and stylishly redeveloped waterfront—but it’s the awe-inspiring Caernarfon Castle that truly dominates the scene. Towering along the riverbank, this masterpiece of medieval military architecture was built by Edward I and stands out among his fortresses for its sheer scale and striking Roman-inspired design. If time allows, consider taking a taxi to nearby Llanberis to ride the scenic Snowdon Mountain Railway. This unforgettable steam train journey carries you to the summit of Mount Snowdon, offering panoramic views across the Welsh landscape, before returning to your base for the evening.

Overnight in Llandudno.

After breakfast, journey back across the border and travel through the heart of England to arrive in the iconic capital city of London. A dynamic metropolis, London blends vibrant modern culture with centuries of rich history and heritage. Discover some of the city’s most famous landmarks, including Westminster Abbey, Big Ben, Buckingham Palace, and Trafalgar Square. Head east to explore the historic Tower of London and the magnificent dome of St Paul’s Cathedral. In the evening, consider a ride on the London Eye for breathtaking panoramic views of the city skyline.

Overnight in London.

Train: UK rail (estimate travel time from Llandudno to London- 3.5 hours).

After breakfast, enjoy a free day to further explore the rich history and vibrant culture of England’s capital. You might spend the morning visiting one of London’s world-class museums or galleries, such as the Victoria and Albert Museum, the Natural History Museum, or the British Museum. Alternatively, take advantage of London’s excellent rail connections for a day trip beyond the city. Consider exploring the historic university towns of Oxford or Cambridge, the stunning cathedral cities of Salisbury or Canterbury, or the lively coastal resorts of Brighton and Portsmouth.

Overnight in London.

After breakfast, bid farewell to the UK as you board the Heathrow or Gatwick Express for a smooth and direct rail journey to your departure airport.