Stephen Talbot, 58, from Wamphray, was last seen at about 16:00 on Monday.
He had been on a camping trip at Garrogill, near Moffat, where mountain rescue teams and a police helicopter had been carrying out extensive searches.
Police Scotland said the search has been suspended while identification of the body takes place.
Police searching for a man who went missing on a camping trip in Dumfries and Galloway have found a body.