Arrochar and Tarbet railway station is a railway station on the West Highland Line in Scotland. It stands between the villages of Arrochar and Tarbet. It is sited 19 miles 45 chains (31.5 km) from Craigendoran Junction, near Helensburgh, between Ardlui and Garelochhead. ScotRail manage the station and operate most services, with others provided by Caledonian Sleeper.

Arrochar is a village located near the head of Loch Long, on the Cowal peninsula in Argyll and Bute, Scottish Highlands. The village is within the Loch Lomond and The Trossachs National Park.