Things to Do in Caernarfon – Top Attractions in North Wales’ Historic Town

Set on the shores of the Menai Strait and framed by the Snowdonia mountains, Caernarfon is one of North Wales’ most iconic and historic towns. Famed for its UNESCO-listed medieval castle, vibrant Welsh culture, and scenic location, Caernarfon offers an unforgettable mix of history, adventure, and coastal charm.

Whether you’re visiting for a day trip or staying longer, here’s your ultimate guide to the best things to do in Caernarfon.

Explore Caernarfon Castle

Why Visit:
This mighty fortress is the crown jewel of Caernarfon. Built by Edward I in the late 13th century, Caernarfon Castle is one of the most well-preserved castles in Europe and a UNESCO World Heritage Site.

Highlights:

Climb the Eagle Tower for sweeping views
Learn about the Prince of Wales investiture
Family-friendly exhibitions and audio guides

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Wander the Historic Walled Town

Why Visit:
Caernarfon’s medieval town walls are some of the best-preserved in the UK. Wander through narrow cobbled streets, colorful houses, and independent shops filled with Welsh crafts and souvenirs.

Don’t Miss:

Palace Street cafés
Doc Victoria waterfront
Weekly market on Saturdays

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Enjoy Caernarfon Harbour & Marina

Why Visit:
The Caernarfon Marina is a beautiful place for a waterside stroll, sunset photos, or a leisurely meal.

Things to Do:

Walk the Aber Foreshore Path
Relax at a waterfront restaurant or pub
Take a scenic boat trip along the Menai Strait

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Ride the Welsh Highland Railway

Why Visit:
Hop aboard a heritage steam train from Caernarfon to Porthmadog, passing through the heart of Snowdonia National Park.

Highlights:

Vintage carriages and steam locomotives
Breathtaking views of mountains, forests, and lakes
Refreshments and dining on board

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Discover Welsh Culture at Galeri Caernarfon

Why Visit:
A contemporary arts and culture centre on the waterfront, offering everything from live performances to film screenings.

What’s On:

Welsh-language cinema and theatre
Local art exhibitions
Family workshops and events

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Walk or Cycle Lon Las Menai Trail

Why Visit:
This scenic traffic-free trail connects Caernarfon to Bangor via the Menai Strait, offering great opportunities for cycling or walking.

Trail Info:

8 miles (13 km) long
Suitable for all skill levels
Bike rentals available locally

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Step Back in Time at Segontium Roman Fort

Why Visit:
Discover Roman ruins dating back to AD 77, once an important military post in Roman Britain.

Highlights:

Open-air site with interpretive signs
Free entry
Short walk from town centre

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Shop Local at Caernarfon’s Artisan Stores

Why Visit:
Support small businesses and take home authentic Welsh goods from local artisans.

Must-Visit Shops:

Siop iard (contemporary Welsh design)
Palas Print (independent bookshop)
The Craft Shop (locally made gifts)

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Explore Nearby Snowdonia National Park

Why Visit:
Caernarfon is a gateway to Snowdonia, just a short drive from dramatic mountains, lakes, and adventure activities.

Things to Do:

Hike Yr Wyddfa (Snowdon)
Visit Llyn Padarn and Llanberis
Try ziplining, canyoning, or paddleboarding

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Dine at Local Restaurants & Pubs

Caernarfon has a growing food scene that celebrates local Welsh produce.

Recommended Spots:

Osteria – Italian cuisine with harbour views
The Black Boy Inn – Historic pub with hearty Welsh dishes
Sheeps and Leeks – Fine dining in an intimate setting

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Where to Stay in Caernarfon

Boutique & Historic Stays:

The Black Boy Inn – 16th-century inn with character rooms
Ty Castell – Stylish town centre guesthouse

Budget-Friendly:

Premier Inn Caernarfon – Great location by the marina
YHA Caernarfon – Affordable, family-friendly option

Countryside Luxury:

Plas Dinas Country House – 5-star historic retreat just outside town

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Best Time to Visit Caernarfon

Spring (April–June) – Mild weather, fewer tourists
Summer (July–August) – Festivals, outdoor activities, and castle events
Autumn (Sept–Oct) – Ideal for hiking and cultural visits
Winter – Quieter, with festive markets and cosy pubs

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Conclusion

From imposing castles and Roman forts to seaside views and mountain adventures, Caernarfon offers something for every traveller. Steeped in history and surrounded by natural beauty, it’s a must-visit on any North Wales itinerary.

So whether you’re exploring Welsh culture, climbing Snowdon, or enjoying a pint in a 16th-century inn, Caernarfon promises a rich and rewarding travel experience.