The Works Lock at Clachnaharry, in Inverness, Scotland. The Works Lock is the second lock on the Inverness side of the Caledonian Canal. The canal runs from Inverness at the east coast of Scotland to Corpach on the West coast.

There is a railway swing bridge at the north of the Works Lock, while the Muirtown Basin is to the south. The lock is owned and operated by British waterways, nearby are various buildings used as canal workshops.