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Aerial view of a jetboat creating a circular wake on the water

Explore

The Estuary & Mangrove Maze

Explore roughly 90 kilometers of winding, mangrove-lined waterways extending 14 kilometers inland from the Cairns waterfront.

Photo: tour listing on Viator

This designated Fish Habitat Area covers 7,164 hectares and protects vital marine nursery grounds. It acts as a critical sanctuary for up to 75% of Great Barrier Reef fish species.

You can navigate the calm waters via sightseeing cruises, jet boats, or self-drive boat hires. Keep watch for birdlife and estuarine crocodiles basking on the muddy banks.

Jetboat leaving a long white wake on the wide Trinity Inlet
Photo: tour listing on Viator
01

Admiralty Island

1-2 hours via boatProtected mangrove island

This large, protected mangrove island sits within the inlet ecosystem. It serves as a prime habitat for local fauna. It offers an excellent spot for bird watching and estuary fishing on a slow-moving tide.

Jetboat speeding towards the camera, kicking up a large splash
Photo: tour listing on Viator
02

Smith's Creek

1-2 hours via boatSheltered tributary

Smith's Creek is a popular, sheltered tributary off the main inlet. Locals and visitors use it for fishing, mooring, and crabbing. Try fishing here on a run-in tide to catch mangrove jack or grunter.

Buffet spread with large bowl of prawns, oysters, and other dishes on boat
Photo: tour listing on Viator
03

East Trinity Reserve

2-3 hours via tourIndigenous cultural site

This rehabilitated wetland area sits on the eastern bank of the inlet. It holds deep eco-cultural significance on the lands of the Mandingalbay Yidinji people. Look into a Mandingalbay Yidinji Indigenous tour for an immersive experience.

Buffet table with fruit platters, cheese boards, and small cakes on wooden boards
Photo: tour listing on Viator
04

Crocodile Mud Banks

1 hour via boatSpot basking crocodiles

Estuarine crocodiles regularly bask on the muddy shores throughout the creeks. Trinity Inlet supports an estimated population of 25 crocodiles. Time your visit for low tide when crocodiles are exposed on the banks.

Cruise the Mangroves

Tour boat navigating the waters with lush green hills in the background.
Cairns Trinity Inlet Sightseeing Cruise1 h 15 min 4.9 (37)from $45
sightseeing cruisefrom $45 on Viator
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