A major search is underway at two locations in Tasmania as police press on with investigations into the disappearance of 14-year-old Shyanne-Lee Tatnell.

Officers are searching one location at the North Esk River and another in bushland near Nabowla in the state’s north-east.

The latter location covers more than 50 square kilometres, Tasmania Police Northern District Commander Kate Chambers said.

Missing Tasmanian teen, 14-year-old Shyanne-Lee Tatnell.
Missing Tasmanian 14-year-old girl Shyanne-Lee Tatnell. (A Current Affair)

A team of about 160 search and rescue personnel are on the scene, while a cadaver dog on loan from NSW Police is being used in a search of the North Esk River.

Shyanne-Lee was last seen near Henry Street, in Launceston, near the North Esk River, at about 8.30pm on Sunday, April 30.

It’s the largest search operation ever seen in northern Tasmania, including helicopters, motorbikes, ATVs, drones, and horse riders.

Shyanne-Lee was last seen near the North Esk River on Launceston's Henry Street Bridge.
Shyanne-Lee was last seen near the North Esk River on Launceston’s Henry Street Bridge. (A Current Affair)

The Australian Federal Police has also provided ground-penetrating radar resources.

Detective Acting Inspector Andrew Hanson said that police were following a specific line of inquiry based on information received.

“In recent weeks, we’ve successfully identified all the vehicles of interest that were captured on CCTV in the Henry Street area, travelling towards Launceston, around 9pm on 30 April when Shyanne-Lee was last seen,” he said.

“All drivers have now spoken to police.

“We’ve searched the North Esk River several times – utilising helicopters and ground search and rescue crews, with the help of volunteers on foot, horseback and ATVs.

“Our investigative team has spent considerable time scouring CCTV, interviewing witnesses, and meticulously following up every lead.”

The security camera footage, released by Tasmanian Police, shows 14-year-old Shyanne-Lee Tatnell walking alone near a bridge in Launceston where she was last seen on April 30.
The security camera footage, released by Tasmanian Police, shows 14-year-old Shyanne-Lee Tatnell walking alone near a bridge in Launceston where she was last seen on April 30. (A Current Affair)

Hanson said that the searches were expected to be ongoing for several days.

Shyanne-Lee is described as being approximately 160cm tall, slim build with blonde hair.

At the time she was last seen, she was wearing a cream hooded jumper with dark-coloured writing on the chest and shoulder area.

She was also wearing bike shorts.

Anyone who may have information in relation to Shyanne-Lee’s location or movements is urged to contact police on 131 444 or report it through Crime Stoppers.

Information can be provided anonymously.

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