An investigation was launched following a report of a schoolboy being approached inside his tent at the Loch Ness Bay campsite in Drumnadrochit between 12.20am and 1am on Thursday 31 July.
Police Scotland arrested and charged John Bell, 44, in connection with the case.
Bell, of Grangemouth in Falkirk, appeared at Inverness Sheriff Court on Tuesday.
The suspect made no plea to the single charge of sexual assault on a young child.
He was remanded in custody and is due back in the dock within the next eight days.
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Detective Superintendent Calum Smith said: “We would like to thank the local community for their support during our investigation, in particular local businesses and those who came forward with information.”
