Pirnmill is a small village on the Isle of Arran in Scotland with a population of roughly 90 people.
Pirnmill is served by the 324 bus service which is operated by Stagecoach . All buses going to Brodick (except the 07:52 bus heading for Lamlash via Brodick) connect with the CalMac  ferry there. Timetables are available on board the CalMac ferries, on board the buses, at most convenience stores on the island and on the Stagecoach website.
The A841 costal road passes through Pirnmill.