The 10 or so residents of Larrimah, located around 180km south of Katherine, at the time of Mr Moriarty's disappearance are expected to be among those called to give evidence at the inquest which is set to restart on Wednesday.

Media from around the NT and the country are also expected to make the journey to Katherine for the inquest.

The coroner began an inquest into Mr Moriarty's disappearance and suspected murder began in 2018, but adjourned it indefinitely.

At that time, counsel assisting the Coroner, Kelvin Currie, said it was "likely someone in Larrimah has evidence that may be helpful in establishing what happened to Paddy".

Mr Moriarty was last seen leaving the Larrimah Hotel, also known as the Pink Panther Pub, around 6pm on December 16, 2017.

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His loyal red Kelpie Kellie, who was generally by his side, has also never been seen again.

An extensive search was undertaken of Larrimah and surrounds, with Katherine volunteers searching the local tip and police divers searching the dam - all to no avail.

In early 2021, NT Police announced they were offering a $250,000 reward for information regarding Mr Moriarty's disappearance, but there still hasn't been any information that has cracked the case.

Mr Moriarty's mysterious disappearance has prompted national media interest, with his story and the town of Larrimah being put on the map by hundreds of news and magazine articles, an award winning podcast and - most recently - a book about the case by journalists Caroline Graham and Kylie Stevenson.

Mr Moriarty's inquest will begin on April 6 at the Katherine Local Court and is expected to run for two days.