The average bus between Dumbarton and Rosneath takes 1h 25m and the fastest bus takes 1h 8m. The bus service runs several times per day from Dumbarton to Rosneath. 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 every 3 hours between Dumbarton and Rosneath. The earliest departure is at 7:53 AM in the morning, and the last departure from Dumbarton is at 6:43 PM which arrives into Rosneath at 8:29 PM. All services require a transfer, and take on average 1h 25m. The schedules shown below are for the next available departures.

1h 41m • 1 change

1h 22m • 1 change

1h 8m • 1 change

1h 28m • 1 change

1h 16m • 1 change

1h 16m • 1 change

1h 38m • 1 change

1h 21m • 1 change

1h 26m • 1 change

1h 32m • 1 change

1h 12m • 1 change

1h 45m • 1 change

1h 41m • 1 change

1h 22m • 1 change

1h 8m • 1 change

1h 28m • 1 change

1h 41m • 1 change

1h 22m • 1 change

1h 8m • 1 change

1h 28m • 1 change
Want to know about travelling from Dumbarton to Rosneath? 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 Dumbarton to Rosneath. However, there are services departing from Dumbarton station and arriving at Rosneath station via Helensburgh station station. The journey, including transfers, takes approximately 1h 25m.
Dumbarton to Rosneath bus services, operated by First Greater Glasgow, depart from Risk Street station.
Dumbarton to Rosneath bus services, operated by First Greater Glasgow, arrive at St Modans Church station.
The distance between Dumbarton and Rosneath is 16.1 km. The road distance is 37 km.
You can take a bus from Risk Street to St Modans Church via Helensburgh station in around 1h 28m.