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Waiau Uwha River facts for kids

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Waiau Uwha
Waiau River upstream of Waiau Ferry Bridge.jpg
Waiau Uwha River upstream from the Waiau Ferry Bridge, near Hanmer Springs
NZ-Waiau R (Canterbury).png
Waiau River system
Country New Zealand
Region Canterbury
District Hurunui
City Hanmer Springs, Waiau, Parnassus
Physical characteristics
Main source Southern Alps
Spenser Mountains, New Zealand
42°6′39″S 172°38′42″E / 42.11083°S 172.64500°E / -42.11083; 172.64500
River mouth Pacific Ocean
New Zealand
0 m (0 ft)
42°46′40″S 173°22′19″E / 42.77778°S 173.37194°E / -42.77778; 173.37194
Basin features
Basin size 3,310 km2 (1,280 sq mi)
Tributaries
Waiau River Nov 2015
The Waiau Uwha River in November 2015, showing its wide braided channels.

The Waiau Uwha River is a big river in the northern part of Canterbury, located on the South Island of New Zealand. It used to be known simply as the Waiau River. This river starts high up in the Spenser Mountains and flows towards the east until it reaches the Pacific Ocean.

The Waiau Uwha River has the second largest catchment area in North Canterbury. A catchment area is all the land where water collects and flows into a specific river. For the Waiau Uwha, this area is about 3,310 square kilometers (1,278 square miles).

In 2018, the river's name was officially changed to Waiau Uwha River. This change was made to honor its original Māori name. It also helps people tell it apart from another, longer river called the Waiau River in the southern part of the South Island.

Exploring the Waiau Uwha River

The Waiau Uwha River is an important natural feature in New Zealand. It plays a big role in the local environment and for the communities living nearby.

Where Does the River Start?

The Waiau Uwha River begins its journey in the Southern Alps, specifically in the Spenser Mountains. These mountains are known for their rugged beauty and are a source for many rivers. The water comes from melting snow and rain high in the mountains.

The River's Journey to the Sea

From its mountain source, the river flows generally eastward. It travels through different landscapes before finally emptying into the Pacific Ocean. The point where a river meets the sea is called its mouth. For the Waiau Uwha, its mouth is at sea level.

Rivers Joining the Waiau Uwha

Many smaller rivers and streams flow into the Waiau Uwha River along its path. These are called tributaries. They add more water to the main river, making it larger.

On the left side of the river (if you're looking downstream), some of the tributaries include:

On the right side, you'll find:

These tributaries are like smaller branches of a tree, all connecting to the main trunk, which is the Waiau Uwha River.

Communities Along the River

Several towns and communities are located near the Waiau Uwha River. These places often rely on the river for various reasons, like water supply or recreation.

Towns and Districts

The river flows through the Hurunui District in the Canterbury Region. Some of the towns close to the river include:

These communities are connected to the river's health and its natural environment.

Why the Name Change?

The change from Waiau River to Waiau Uwha River in 2018 was very important. It was done to recognize the river's original Māori name.

Honoring Māori Heritage

Many places in New Zealand have Māori names that reflect their history and cultural importance. By officially changing the name, the government recognized the deep connection Māori people have with the land and its features. This helps preserve and respect the rich cultural heritage of New Zealand.

Avoiding Confusion

Another reason for the name change was to avoid confusion. There is another, longer river in the South Island also called the Waiau River, located in the Southland region. Adding "Uwha" to the North Canterbury river's name makes it clear which river is being talked about.

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