About half of the park is set to reopen to visitors, including the Dawsons Spring camping, picnic area, cabins and nature trail, the Governor, Coryah and Yulludinida walking tracks and the Summit and Doug Sky lookouts.

Sawn Rocks is already open for the public.

National Parks and Wildlife Service (NPWS) Barwon area manager Marty Linehan said it was important that visitors remembered the park was still recovering.

"We would ask people to heed all signage and stay out of burnt areas where damage to infrastructure such as burnt bridges and timber walkways and the threat of falling trees may also render some areas unsafe," Mr Linehan said.

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"While the park is recovering, it is even more important to stay on the path and let the damaged ecosystem repair itself.

"Visitors should also take care on gravel sections of the main access road where the recent storm cells have had an impact."

Mr Linehan said it had been a "mammoth task" fighting, containing and mopping up the fire started by lightning in October 2019, which burnt through more than 18,000 hectares of bushland.

But the area manager said it was "amazing to see the Australian bush renew itself after a fire of this size".

"The recent rainfall is aiding the park's recovery, also breathing welcome life into drought-parched streams and we have seen giant fungi, unfurling ferns, cycads, greater gliders and our famous giant pink slugs emerge," he said.

"While there is plenty of evidence of the fire, there are also significant areas which have not been impacted.

"We encourage you to come and see for yourself."

The NWPS website will be updated regularly as more areas of the park are reopened.