
Tauranga Harbour is a significant waterway in the North Island of New Zealand, providing a vital link between the Pacific Ocean and the city of Tauranga.
The harbour is approximately 12 kilometres long and 2-3 kilometres wide, making it a substantial body of water.
Its strategic location has made it a hub for trade and commerce, with the city of Tauranga being one of the fastest-growing cities in New Zealand.
The harbour is also a popular spot for recreational activities, such as boating and fishing.
The Harbour's Environment
Tauranga Harbour is a unique and thriving ecosystem, home to a diverse range of species. The harbour's estuaries are breeding grounds for some species and feeding grounds for others.
Some of the species found in the harbour include flounder, whitebait, kahawai, herring, eels, crabs, clams, shellfish, heart urchins, snails, and worms. These species have adapted and thrived in the harbour's varying landscape.
The harbour's wildlife is a key part of its natural heritage. Some of the birds found in the harbour include the bittern, spotless crake, dabchick, and many more, as listed below.
- Bittern
- Spotless Crake
- Dabchick
- New Zealand Dotterel
- Fernbird
- Bar-tailed Godwit
- Black and Red-billed Gulls
- White-faced Heron
- Variable Oystercatcher
- Banded Rail
- Pied Shag
- Royal Spoonbill
- Pied Stilt
- Caspian Tern
- Wrybill
- Pukeko
What Surrounds My Estuary?
Tauranga Harbour is a vast area that covers almost 1,300 square kilometers. It's home to 27 major rivers and 46 minor streams.
The harbour extends from Pāpāmoa in the south, running along the Kaimai Mamaku ranges and ending at Orokawa Bay, north of Waihī Beach. It also includes Matakana Island and Te Awanui Tauranga Harbour, which covers an area of 210 square kilometers.
The surrounding land is used for a mix of urban, horticultural, and agricultural purposes. The Tauranga area is one of New Zealand's fastest-growing residential areas.
The climate in this region provides ideal conditions for growing fruit like kiwifruit and avocados. You can see why it's a popular spot for farming.
The harbour is also home to one of New Zealand's largest estuaries, which is a critical part of the harbour's ecosystem.
Tidal Waters
The harbour waters are mostly shallow, with more than 60 percent of the harbour bed exposed at low tide. This shallow water provides a perfect breeding ground for young fish.
Tidal waters play a crucial role in the harbour's ecosystem, with a large volume of water entering and leaving the harbour with each tide.
The estuaries of Tauranga Harbour are home to a diverse range of wildlife, including many species of fish, birds, and invertebrates. Young fish spawn in the shallow waters, while many birds nest on the harbour margins.
Here's a list of some of the species you can find in the harbour's estuaries:
- Flounder
- Whitebait
- Kahawai
- Herring
- Eels
- Crabs
- Clams
- Shellfish
- Heart urchins
- Snails
- Worms
Estuary Life
Tauranga Harbour's estuaries are teeming with life, providing breeding grounds for some species and feeding grounds for others.
Flounder, whitebait, and kahawai are just a few of the species that call our Harbour home.
Some of the other creatures you can find in our estuaries include eels, crabs, clams, shellfish, heart urchins, snails, and worms.
These diverse species have adapted to the Harbour's varying landscape, from mountains to sea.
Here's a list of some of the species you can find in our Harbour:
- Flounder
- Whitebait
- Kahawai
- Herring
- Eels
- Crabs
- Clams
- Shellfish
- Heart urchins
- Snails
- Worms
Importance and Use
Tauranga Harbour has long been a valuable resource for the people of the Bay of Plenty.
For Māori, the harbour holds strong spiritual significance, and it's a traditional source of food.
The harbour is home to a variety of seafood, including flounder, kahawai, mussels, and cockles, which can be collected from certain areas, but there are often limits on how much can be collected and where.
Valuable Resource
The Bay of Plenty harbour is a valuable resource for the people who live there. It's been an important source of food for Māori for a long time.
For Māori, the harbour has strong spiritual significance. This is reflected in the variety of seafood that can be collected from it.
Flounder, kahawai, mussels, and cockles are some of the kaimoana that can be collected from the harbour. These seafood species are abundant in the harbour's waters.
There are often limits on how much of these seafood species can be collected and where they can be collected from.
Tourism

Tauranga Harbour is a popular destination for cruise ships from the Pacific Islands, North America, and Europe. This brings a large number of tourists into the Bay, which is great for the local and NZ economy.
The harbour offers a range of tourist activities, including fishing charters, harbour cruises, wind surfing, catamaran hire, and sea-kayaking. These activities cater to different interests and provide an exciting experience for visitors.
Two main marinas on the harbour are Sulphur Point Marina and Tauranga Bridge Marina.
Management and Infrastructure
Tauranga Harbour's management and infrastructure are crucial to its success. The harbour has a long history of being an important fishing port, with commercial fishing vessels operating from the harbour since the early 1900s.
The harbour's infrastructure includes a range of facilities, including the Tauranga Yacht Club and the Tauranga Marina, which provide services and amenities for recreational boat users.
The Port of Tauranga, located within the harbour, is one of New Zealand's largest ports and a significant economic hub, handling over 1.5 million containers annually.
Land Management
Land Management plays a crucial role in protecting the environment around Tauranga harbour.
The Regional Natural Resource Plan governs earthworks for land development through the resource consent process, which places requirements to control sediment run-off.
A review of the management rules and practices dealing with sediment generating activities is planned.
Land management programmes run by Council, such as fencing of stream margins around the harbour, are essential in reducing the amount of sediment entering the harbour.
Revegetation of steep land and farm environment plans are also important components of these programmes.
Improved land management, coupled with the work of Estuary Care groups around the harbour, plays a significant role in reversing the effects of sedimentation.
Bridge
The Tauranga Harbour Bridge is an impressive feat of engineering that was completed two months ahead of schedule in March 1988.
It spans 480 meters, joining the two sides of the harbour development over the Stella Passage.
The bridge was constructed ashore and then cantilevered into place.
It cost around $25 million to build, a significant investment that paid off in the long run.
Toll charges were expected to clear all debt by 1997 or 1998, a testament to the bridge's financial sustainability.
Understanding the Harbour
Tauranga Harbour is a stunning natural wonder, and understanding its layout is essential for any visitor or resident. The harbour is approximately 12 kilometres long and 1.5 kilometres wide.
Its unique shape is a result of the Waihi Fault Line, which created the harbour's entrance and surrounding hills. The harbour's entrance is a narrow strait, known as Sulphur Point, which connects the harbour to the Pacific Ocean.
The harbour's shoreline is dotted with scenic bays and inlets, including Sulphur Point, which is a popular spot for fishing and boating.
Sources
- https://www.boprc.govt.nz/environment/coast-and-ocean/harbours/tauranga-harbour/
- https://www.engineeringnz.org/programmes/heritage/heritage-records/tauranga-harbour-and-port-development/
- https://www.lawa.org.nz/explore-data/bay-of-plenty-region/estuaries/tauranga-harbour/
- https://evendo.com/locations/new-zealand/tauranga/attraction/tauranga-harbour
- https://www.seeanddo.co.nz/tauranga-harbour-cruise
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