A married couple have been reported as missing for the last four days while travelling as tourists through Central Australia, according to Northern Territory police.

The 64-year-old man and 58-year-old woman were last seen on Thursday at Palm Valley in Finke Gorge National Park, about 138 kilometres west of Alice Springs.

The couple who were travelling in a silver Isuzu D-Max towing a caravan, with Victorian plates, were reported missing today by family, who had not heard from the tourists since last week.

"The family last heard from them on the 10th of November where they were constantly sending photos through and ... [they've] heard nothing since," Darwin Watch Commander, Mark Edwards said.

"I mean that that part of the the territory, there is either little or no reception.

"However

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