Llanelli to Mountain Ash Trains

Llanelli to Mountain Ash trains

Travel from

Search accommodation with Expedia

Trip Overview

The average train between Llanelli and Mountain Ash takes 2h 51m and the fastest train takes 2h 14m. There is a train service every few hours from Llanelli to Mountain Ash. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

2h 51m
Duration: 76 mi
Distance: £39
Average price: Hourly
Frequency

Train

best

Take the train from Llanelli to Cardiff Centraltrain Haverfordwest - Manchester Piccadilly / ...
Take the train from Cardiff Central to Mountain Ashtrain Merthyr Tydfil - Aberdare / ...

2h 33m

£30–61

Llanelli to Mountain Ash train times

Trains run hourly between Llanelli and Mountain Ash. The earliest departure is at 6:02 AM in the morning, and the last departure from Llanelli is at 11:10 PM which arrives into Mountain Ash at 7:02 AM. All services require a transfer, and take on average 2h 51m. The schedules shown below are for the next available departures.

Departing Tuesday, August 11, 2026

10:49 AM → 1:32 PM
2h 42m • 1 change
11:55 AM → 2:32 PM
2h 36m • 1 change
12:28 PM → 3:02 PM
2h 34m • 1 change
12:54 PM → 3:32 PM
2h 37m • 1 change
Show more

Departing Wednesday, August 12, 2026

6:02 AM → 8:32 AM
2h 29m • 1 change
6:31 AM → 9:02 AM
2h 30m • 1 change
6:51 AM → 9:32 AM
2h 41m • 1 change
7:20 AM → 10:02 AM
2h 41m • 1 change
Show more

Departing Thursday, August 13, 2026

6:02 AM → 8:32 AM
2h 29m • 1 change
6:31 AM → 9:02 AM
2h 30m • 1 change
6:51 AM → 9:32 AM
2h 41m • 1 change
7:20 AM → 10:02 AM
2h 41m • 1 change
Show more

Frequently asked questions

Want to know about travelling from Llanelli to Mountain Ash? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.