Police Scotland are appealing for information to trace Jason Raymond Gates, last seen in Aviemore.
The 36-year-old was reported missing from Hampshire on Thursday, March 17, and the last known sighting of him was in Aviemore on Saturday, March 12.
Officers believe he might have been in the Drumnadrochit area on Monday, March 14.
Mr Gates is described as being around 6ft 3, of a slim build, with short cropped greying hair and facial stubble. It is not known what clothes he is wearing, however he often wears black jeans, a T-shirt, a black padded jacket and tweed jacket, and possibly walking boots.
Anyone with information about Mr Gates whereabouts, or anyone who has seen a man matching this description, is urged to contact police on 101.