The Department of Biodiversity, Conservation, and Attractions and the Shire of Harvey have succeeded in cleaning up Australind's Point Douro.
On November 24, 28 volunteers assisted in collecting 10.3 tonnes of rubbish and 43 dumped car tyres at the Point Douro Nature Reserve, near the Collie River Bridge.
The group also set up a fenced-off temporary rubbish point in the area.
Keep Australia Beautiful, Clean Up Australia, Tangaroa Blue, J and P Metals, Coates Hire, and the Bunbury Harvey Regional Council expressed their support for the initiative.
Picton Civil general manager, and avid bird-watching enthusiast, Michael Cross supplied a bobcat, a front-end loader, and a tip truck on the day.
Taking part in the operation, Harvey Shire president Paul Gillett thanked the department and the community for their insurmountable efforts.
"The area had been used as a race track, rubbish tip for quite some time," he said.
"It was great seeing so many people give up their time to help clean the place up. It was a fantastic effort."
Parts of Point Douro are situated within the proposed Greater Bunbury Regional Park. The tidal wetland serves as a natural habitat for birds and other wildlife.
Last year, the shire installed a fence and a gate in the area to stop illegal dumping and vehicle access.
According to Mr Gillett, the shire has seen many native plants and animals return to Point Douro over the past 12 months.