Victorian man missing along Larapinta Trail in Central Australia
Alistair Thomson, 64, set off alone on the trail west of Alice Springs on Monday, May 13, and last contacted family via text on Tuesday, May 21.
NT Police described Mr Thomson as an "experienced hiker with adequate food and water".
On Wednesday morning police established a search operation which has included use of a low-wing jet, helicopter, vehicles, and foot teams.
The trail in the West MacDonnell Ranges is popular among hikers.(Supplied:Lukáš Pečinka)
NT Police Acting Sergeant Chris Grotherr said after receiving information about a potential sighting in Alice Springs earlier this week, police were now moving their focus back to the trail.
"Throughout the course of [Thursday], we will be shifting our intensity over to Section 6, 5, and 4," he said.
"That's based on a number of reasons but largely around the advice that we've received from some experts as to the difficulty of those particular sections on the trail."
The rugged West MacDonnell Ranges in Central Australia attracts thousands of hikers each year who take on some or all of the Larapinta Trail across 230 kilometres and 12 sections.
Victorian man Alistair Thomson missing along Larapinta Trail in Central Australia
- In short: Emergency services are searching for a Victorian hiker in his 60s along the Larapinta Trail in Central Australia.
- Alistair Thomson set off alone on the trail west of Alice Springs on May 13 and last contacted family via text on May 21.
- What's next? Police are continuing to seek information from the public as to Mr Thomson's whereabouts.
Alistair Thomson, 64, set off alone on the trail west of Alice Springs on Monday, May 13, and last contacted family via text on Tuesday, May 21.
NT Police described Mr Thomson as an "experienced hiker with adequate food and water".
On Wednesday morning police established a search operation which has included use of a low-wing jet, helicopter, vehicles, and foot teams.
The trail in the West MacDonnell Ranges is popular among hikers.(Supplied:Lukáš Pečinka)
NT Police Acting Sergeant Chris Grotherr said after receiving information about a potential sighting in Alice Springs earlier this week, police were now moving their focus back to the trail.
"Throughout the course of [Thursday], we will be shifting our intensity over to Section 6, 5, and 4," he said.
"That's based on a number of reasons but largely around the advice that we've received from some experts as to the difficulty of those particular sections on the trail."
The rugged West MacDonnell Ranges in Central Australia attracts thousands of hikers each year who take on some or all of the Larapinta Trail across 230 kilometres and 12 sections.