The average bus between Bristol and Treforest takes 2h 30m and the fastest bus takes 2h. There is a bus service every few hours from Bristol to Treforest. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run hourly between Bristol and Treforest. The earliest departure is at 4:35 AM at night, and the last departure from Bristol is at 9:05 PM which arrives into Treforest at 11:25 PM. All services require a transfer at Cardiff North Road and take an average of 2h 30m. The schedules shown below are for the next available departures.

2h 16m • 1 change

2h 14m • 1 change

2h 11m • 1 change

2h 16m • 1 change

2h 16m • 1 change

2h 14m • 1 change

2h 11m • 1 change

2h 16m • 1 change

2h 17m • 1 change

2h 12m • 1 change

2h • 1 change

2h 15m • 1 change
Want to know about travelling from Bristol to Treforest? 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.
No, there is no direct bus from Bristol to Treforest. However, there are services departing from Bristol station and arriving at Treforest station via Cardiff North Road. The journey, including transfers, takes approximately 2h 30m.
Bristol to Treforest bus services, operated by National Express, depart from Bristol Bus Station.
Bristol to Treforest bus services, operated by National Express, arrive at Castle Inn Bridge station.
The distance between Bristol and Treforest is 52.7 km. The road distance is 102 km.
You can take a bus from Bristol Bus Station to Castle Inn Bridge via Cardiff North Road and Greyfriars Road GF in around 2h 54m.