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Trains from Trefforest to Mountain Ash

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Transport for Wales
Avanti West Coast

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Each fare is the lowest adult economy ticket fare found by our customers on Trainline. Fares booked further in advance than the dates displayed may be cheaper. Prices are updated daily, subject to change and indicative of price last update. Limited availability. Discount cards and coach journeys excluded, prices exclusive of booking fee.
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  3. Trefforest to Mountain Ash

Trains to Mountain Ash from Trefforest

It takes an average of 20m to travel from Trefforest to Mountain Ash by train, over a distance of around 7 miles (11 km). There are normally 32 trains per day travelling from Trefforest to Mountain Ash and tickets for this journey start from £3.80 when you book in advance.

First train

05:43

Last train

22:12

Departure stationTrefforest
Arrival stationMountain Ash
Journey time

From 19m

Distance

7 miles (11 km)

Frequency

32 trains per day

Changes

Direct trains available

Price

From £3.80

Train operators

Transport for Wales

What are the train times from Trefforest to Mountain Ash?

Check out the next trains departing from Trefforest to Mountain Ash for Tuesday 7th October 2025 using our handy timetable below, including platform and live travel information. You can view the full day timetable or search for a different date here.
DepartsArrivesTrainDuration
06:00On timetrefforest06:31On timemountain ashPlat. 1 estimatedtransport for wales PeakGet tickets31m, 1 change
06:43On timetrefforest07:03On timemountain ashtransport for wales PeakGet tickets20m, direct
07:13On timetrefforest07:33On timemountain ashtransport for wales PeakGet tickets20m, direct
07:43On timetrefforest08:03On timemountain ashtransport for wales PeakGet tickets20m, direct
08:13On timetrefforest08:33On timemountain ashtransport for wales PeakGet tickets20m, direct

About the train journey from Trefforest to Mountain Ash

Want to travel from Trefforest to Mountain Ash by train? Start your journey with us.

The train from Trefforest to Mountain Ash usually takes 20 minutes on average to travel 7 miles (11 km), although the quickest services can take as little as 19 minutes. You can expect to find 32 trains per day running on this popular route. Good news! There are direct trains available to Mountain Ash, so you can just make yourself comfortable as soon as you board the train and just enjoy the journey. All or part of your journey will be served by Transport for Wales, as they are the main operator of trains on this route.

You can save money on train tickets from Trefforest to Mountain Ash if you book in advance, as tickets usually start from £3.80. You can also travel Off-Peak – tickets are usually cheaper during quieter times on weekdays and weekends – or get a Railcard and save up to 1/3 on eligible journeys for a whole year. Use our Journey Planner at the top of the page to compare ticket prices and get the cheapest fares.

If you want to know more about the journey, scroll up for timetables and live train times, or keep reading for tips on finding cheap tickets and FAQs. Want to go straight to booking? Start a search with us today!

What do people frequently ask about the train journey from Trefforest to Mountain Ash?

Want to know more about your journey from Trefforest to Mountain Ash? We've compiled some of the most frequently asked questions by our customers to help you plan your journey.

How do I travel from Trefforest to Mountain Ash?

You can get from Trefforest to Mountain Ash by train in 20 minutes on average, with the fastest journeys taking just 19 minutes. Check out our Journey Planner for more details.

How long does the train from Trefforest to Mountain Ash take?

The average journey time by train between Trefforest and Mountain Ash is 20 minutes, with around 32 trains per day running on this route. The journey time may be longer on weekends and holidays, so use our Journey Planner on this page to search for a specific travel date.

How much does the train from Trefforest to Mountain Ash cost?

Train tickets from Trefforest to Mountain Ash can start from as little as £3.80 when you book in advance and are usually more expensive when purchased on the day. Prices can also vary depending on the time of day, route and class you book.

What's the fastest journey time between Trefforest and Mountain Ash by train?

The fastest journey time by train from Trefforest to Mountain Ash is 19 minutes.

How do I find cheap train tickets from Trefforest to Mountain Ash?

As most UK train companies increase their prices as the departure date approaches, our Trainline team of experts have put together these tips to help you find the cheapest tickets.

1. Book in advance

Train tickets from Trefforest to Mountain Ash start at £3.80§ one way for a Standard Class ticket if you book in advance. UK train companies usually release Advance tickets up to 12 weeks ahead of time, and these can be cheaper than tickets bought on the day of travel.

2. Sign up to Ticket Alert

If you're planning a trip more than 12 weeks ahead, sign up to our Ticket Alert to get notified when Advance tickets are released for your travel date.

3. Use a Railcard

National Railcards offer a 1/3 off eligible train tickets in the UK and can be a great investment if you travel throughout the year. Buy one with us and you'll be able to store it digitally in our app, so you'll always have it on your travels.

4. Book split tickets

Our handy feature SplitSave will 'split' your train journey into multiple tickets, which can be much cheaper than buying a single ticket. Find out more about split tickets.

5. Travel Off-Peak

If you can be flexible with your travel times, Off-Peak and Super Off-Peak tickets are usually cheaper in the UK. Generally, Off-Peak times are any time at weekends and outside of Monday to Friday morning and evening rush hours.

6. Consider a Season Ticket

Best for commuters, if you catch a train on the same route more than 3 times per week, you could save money with a Season Ticket. With annual, monthly, weekly and flexi options available, find out if a Season Ticket for Trefforest to Mountain Ash is right for you.

For more money-saving tips on UK and European train travel, read our cheap train tickets guide.

§Advance adult single fare. Excludes booking fee. Prices seen by Trainline customers in the last 30 days. Availability limited.
† Average savings on advance fares booked at least one week before day of travel vs Anytime fares purchased on day of travel. Subject to availability. Excludes coach.

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