The average bus between Greenock and Dumbarton Castle takes 2h 6m and the fastest bus takes 1h 48m. The bus runs at least 2 times per hour from Greenock to Dumbarton Castle. 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 30 minutes between Greenock and Dumbarton Castle. The earliest departure is at 5:19 AM in the morning, and the last departure from Greenock is at 9:55 PM which arrives into Dumbarton Castle at 11:55 PM. All services require a transfer at Waterloo Lane and take an average of 2h 6m. The schedules shown below are for the next available departures.

1h 59m • 1 change
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1h 55m • 1 change
2h 7m • 1 change
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2h 7m • 1 change
2h 10m • 1 change
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1h 55m • 1 change
2h 7m • 1 change
2h 10m • 1 change
1h 48m • 1 change
2h 1m • 1 change
1h 48m • 1 change
1h 50m • 1 change
2h 39m • 1 change
2h 18m • 1 change
1h 53m • 1 change
2h 1m • 1 change
2h 25m • 1 change
1h 55m • 1 change
2h 7m • 1 change
2h 10m • 1 changeWant to know about travelling from Greenock to Dumbarton Castle? 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 Greenock to Dumbarton Castle. However, there are services departing from Stance 1 station and arriving at Leven Street station via Waterloo Lane station. The journey, including transfers, takes approximately 2h 6m.
Greenock to Dumbarton Castle bus services, operated by McGills Buses, depart from Stance 1 station.
Greenock to Dumbarton Castle bus services, operated by First Greater Glasgow, arrive at Leven Street station.
The distance between Greenock and Dumbarton Castle is 12.3 km. The road distance is 32 km.
You can take a bus from Stance 1 to Leven Street via Waterloo Lane and St Enoch subway in around 2h 12m.