Welsh Highland Railway – Tickets, Timetable & Route Guide

The Welsh Highland Railway is a spectacular narrow-gauge steam railway running between Caernarfon and Porthmadog through the heart of Eryri. The route passes farmland, forests and mountain scenery before winding through Beddgelert and the dramatic Aberglaslyn Pass.

Visitors can travel the full line or choose shorter journeys from Caernarfon or Porthmadog. Different named services operate on different dates, so it is important to check the current timetable, route and return arrangements before booking. The Welsh Highland Railway is a premier heritage narrow-gauge railway and is currently open for the season.

Welsh Highland Railway at a Glance

• Best for: Couples, families, railway enthusiasts and visitors wanting a long scenic journey through Eryri
• Main route: Caernarfon to Porthmadog via Rhyd Ddu, Beddgelert and the Aberglaslyn Pass
• Highlights: Steam locomotives, mountain scenery, Beddgelert, Aberglaslyn Pass and views towards Yr Wyddfa
• Journey options: Full-line journeys and shorter return trips operate on different dates
• Tickets: Advance booking is strongly recommended for the principal services
• Timetable: Services vary by date and demand, so check the current timetable before travelling
• Starting points: Caernarfon and Porthmadog are the main termini, with some journeys serving Beddgelert and other stations
• Food and drink: Refreshment trolleys operate on several principal services, with additional food and drink available at main stations
• Accessibility: Accessible travel is possible on many services, but wheelchair and mobility-scooter users should arrange their journey in advance
• Dogs: Dogs are permitted on many services for a fare; assistance dogs travel free
• Visit length: Allow several hours for a shorter journey and most of a day for the full-line experience

The route: The Welsh Highland Railway runs from Caernarfon towards the foothills of Yr Wyddfa before continuing through Beddgelert and the Aberglaslyn Pass to Porthmadog. The line combines long stretches of mountain scenery with woodland, rivers, farmland and historic settlements.

Beddgelert and the Aberglaslyn Pass: One of the most memorable sections of the railway is the journey through Beddgelert and the narrow Aberglaslyn Pass. Some services allow time in Beddgelert, making it possible to combine the railway journey with a short visit to the village.

Tickets and timetable: The Welsh Highland Railway operates several named journeys, and not every departure covers the full route between Caernarfon and Porthmadog. Check the exact destination, departure station and return arrangements when booking. Advance booking is recommended for popular trains and busy periods. Accessibility: The railway aims to accommodate visitors with limited mobility, but arrangements differ between services, stations and carriage types. Wheelchair and mobility-scooter users should contact the railway in advance so suitable space and boarding arrangements can be confirmed.

Welsh Highland Railway or Welsh Highland Heritage Railway? They are separate attractions. The Welsh Highland Railway is the long-distance steam line between Caernarfon and Porthmadog operated by the Ffestiniog & Welsh Highland Railways. The Welsh Highland Heritage Railway is a separate heritage attraction based in Porthmadog, so check which railway you intend to visit when booking.

Where to start: Caernarfon and Porthmadog are the principal starting points. Caernarfon is particularly convenient for combining the railway with Caernarfon Castle, while Porthmadog is the shared hub for both the Welsh Highland and Ffestiniog railways.

What is the Welsh Highland Railway?

It is the UK’s longest heritage railway, running for 25 miles through the heart of the Snowdonia (Eryri) National Park. It is famous for using massive Beyer-Garratt steam locomotives, which were originally designed for heavy work in South Africa and are among the most powerful narrow-gauge engines in the world.

Where is it Located?

The line runs between Caernarfon (beneath the walls of the famous castle) and Porthmadog (on the coast). It winds through spectacular landscapes, including the foothills of Snowdon, the Aberglaslyn Pass, and the village of Beddgelert.

What Can You See and Do?

• The Journey: Experience a spectacular three-hour one-way trip through remote mountain scenery that is inaccessible by car.
• The Aberglaslyn Pass: This is often voted the most beautiful spot in the UK; the train hugs the mountainside high above a rushing river.
• Luxury Travel: You can sit in vintage carriages, including “Pullman” observation cars where you can order food and drinks at your seat.
• Engine Spotting: Watch the massive steam engines being serviced and turned at the termini.

Average Duration of a Visit

Most visitors spend a full day (approx. 6–8 hours) if doing a return trip from Caernarfon to Porthmadog. If you only travel a partial section, allow at least 3–4 hours.

Who Will Enjoy it Most?

• Railway Enthusiasts: The unique Beyer-Garratt engines are a massive draw for “steam buffs.”
• Photographers: The scenery provides endless opportunities for landscape shots.
• Slow-Travel Lovers: People who want to sit back and watch the world go by without the stress of driving.

Suitability and Limitations

While the railway is highly inclusive, some may have a limited experience:

• Restless Children: The full journey is long (3 hours one way). Active toddlers may find the confinement difficult.
• Accessibility: While there are accessible carriages, the historic nature of some stations (like Beddgelert) means platforms can be narrow or uneven.

The Best Time to Go

• For Quiet: Visit in May, June, or September on a weekday. Avoid school holidays.
• For Scenery: Autumn (October) is stunning as the trees in the Aberglaslyn Pass turn gold.
• For Weather: July and August offer the best chance of dry, sunny weather, though the mountains create their own micro-climate—always expect a breeze!

What Makes it Unique?

There are many railways in Wales (like the Ffestiniog or Snowdon Mountain Railway), but the Welsh Highland is unique because of its sheer scale. It uses the largest locomotives and traverses the most varied terrain, moving from sea level to high mountain passes and back down again.

Budget Tips and Memberships

• Ffestiniog & Welsh Highland Railway Society: Joining the society can offer significant discounts (often up to 50%) on travel. This is the most cost-effective route for frequent visitors.
• Annual Passes: If you live locally or visit Snowdonia multiple times a year, an annual pass or society membership pays for itself within two or three trips.
• Early Booking: Booking online in advance is usually cheaper than “on the day” walk-ups.

Practical Advice for Visitors

• Clothing: Even in summer, the mountain air is cool. Bring layers and a waterproof jacket if you plan to get off at way-stations like Rhyd Ddu.
• Food: While there is an on-board buffet, it can be pricey for a large family. Bringing a picnic to eat on the train is a great way to save money.
• Parking: Use the large multi-storey or waterfront car parks in Caernarfon, or the dedicated long-stay park at Porthmadog. Both are a short walk to the stations.
• Dogs: The railway is dog-friendly, though they usually require a small fare and must stay on the floor.