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Thousla Rock lies in the stretch of water separating the Island and the Calf.
Latitude 54° 03.7'N
Longitude 04° 48.0'W
Flashing Red every 3 secs
White 8-sided concrete tapered pillar, red lantern
Thousla Rock lies in the Calf Sound, which is the stretch of water separating the Calf of Man and the Isle of Man mainland.
Acknowledgement: Northern Lighthouse Board
OS Grid Ref: SC142639