Firefighters on Fraser Island are preparing for another testing day battling a massive bushfire that has destroyed almost half of the world-heritage-listed national park.

Premier Annastacia Palaszczuk has ordered a review into the Department of Environment and Queensland Fire and Emergency Service response to the blaze, which has razed 81,500 hectares.

It continues to burn on three fronts seven weeks after it was sparked by an illegal campfire, forcing authorities to evacuate some tourists and staff from the iconic holiday spot.

“The sight of it burning is so painful,” Ms Palaszczuk told parliament on Wednesday.

“It’s understandable that those who love the island want to be assured that everything that could be done to protect it has and is being done.

“That is why I can confirm the Inspector-General Emergency Management has been instructed to conduct a full review.

“He will examine all aspects of preparedness and response.”

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Water bombers have dumped more than a million litres of water and fire-retardant gel on the bushfire but the loose soil on the world’s largest sand island means it quickly drains away.

One front of the blaze is about 2.5 kilometres east of Kingfisher Bay Resort and heading southeast.

The resort and a neighbouring workers’ village remain under a prepare to leave the order, however, all guests were evacuated on Monday and staff followed late on Wednesday.

Another part of the bushfire is about 4km west of Happy Valley and headed south.

On the eastern side of the island, the fire is about 3km south of the evacuated Cathedrals on Fraser camping grounds and travelling south towards Eli Creek.

Extensive water bombing continues to slow the blaze but authorities warn a persistent heatwave could see fire weather conditions deteriorate.

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It took over management of the fire from the national park’s ranger service on Friday.

QFES immediately ordered tourists to stay away from the island, closing access from 5pm to all people except residents and essential workers.

Visitors already on the island have been told to stay close to campsites and avoid travelling on inland tracks and roads.

The giant blaze is thought to have been started by an illegal campfire on October 14.

Fraser Island is about 250km north of Brisbane and 123km long.

According to The United Nations Educational, Scientific and Cultural Organization, it covers 181,851 hectares.

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AAP

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