It is on the West Highland Line, between Lochailort and Locheilside, located 14 miles 58 chains (23.7 km) from the former Banavie Junction.

Glenfinnan signal box, which had 15 levers, was at the east end of the Down platform, on the south side of the line.

The museum's exhibits focus on the construction, impact and operation of the Mallaig Extension Railway in the late 19th century.

The restored booking office includes the original tablet instruments and, again since early 2012, various artefacts specific to the local area.

This included major work on the original signal box; a new external staircase, repairs to cladding; and installation of a reference theatre[clarification needed]/teaching space.

The main station building underwent alterations to meet current access requirements and to add new weather proofing on the roof.

There are four trains per day to Mallaig and three to Glasgow Queen Street, plus a fourth to Fort William that connects with the overnight Caledonian Sleeper to London Euston on weekdays.