Catchments & Reef resilience

Protecting our reef and communities

Healthy catchments are essential for clean water, biodiversity and the wellbeing of our communities. They play a critical role in safeguarding Cairns’ natural assets and the Great Barrier Reef.

When catchments are resilient, they filter pollutants, reduce runoff, and buffer against flooding and climate impacts. Together, we can create stronger catchments, healthier ecosystems and more resilient communities.

Why catchment resilience and protection matters

Catchments are the starting point for the health of our waterways, and ultimately the Great Barrier Reef.

  • Filter and clean water before it reaches rivers, estuaries and the Reef.
  • Reduce sediment and nutrient runoff, protecting fish habitat, seagrass meadows, coral and marine life.
  • Buffer against floods and heat, helping communities adapt to climate change.
  • Support biodiversity, providing habitat for plants, fish nursery, local wildlife and migratory birds.
  • Strengthen community resilience, creating greener, cooler and healthier spaces.
saltwater catchment

Saltwater Creek - A smart catchment

This thriving ecosystem flows from the foothills of Mt Whitfield, through the suburbs and out to the Great Barrier Reef Lagoon. Our Resilience Master Plan and Local Implementation Plan aims to enhance the catchment's health, function and resilience.

Image featuring aerial photo of the coral reef around Green Island with blue water around it

Reef Guardian Council

Cairns Regional Council undertakes a range of projects to support reef health as a member of the Reef Guardian Councils program.

Clean Creeks

A little litter is a big problem. Did you know that 100,000 marine mammals die every year around the world due to plastic pollution? Learn how you can help care for our land and sea.

Last Updated: 24 November 2025

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