The fiords of New Zealand are all located in the southwest of the
South Island
The South Island, also officially named , is the larger of the two major islands of New Zealand in surface area, the other being the smaller but more populous North Island. It is bordered to the north by Cook Strait, to the west by the Tasman ...
, in a mountainous area known as
Fiordland
Fiordland is a geographical region of New Zealand in the south-western corner of the South Island, comprising the westernmost third of Southland. Most of Fiordland is dominated by the steep sides of the snow-capped Southern Alps, deep lakes, ...
. A
fiord
In physical geography, a fjord or fiord () is a long, narrow inlet with steep sides or cliffs, created by a glacier. Fjords exist on the coasts of Alaska, Antarctica, British Columbia, Chile, Denmark, Germany, Greenland, the Faroe Islands, Icela ...
is a narrow inlet of the sea between cliffs or steep slopes, which results from marine
inundation
A flood is an overflow of water ( or rarely other fluids) that submerges land that is usually dry. In the sense of "flowing water", the word may also be applied to the inflow of the tide. Floods are an area of study of the discipline hydrolog ...
of a
glaciated valley
U-shaped valleys, also called trough valleys or glacial troughs, are formed by the process of glaciation. They are characteristic of mountain glaciation in particular. They have a characteristic U shape in cross-section, with steep, straight s ...
. The spelling ''fiord'' is used in New Zealand rather than ''fjord'', although all the maritime fiords instead use the word ''
sound
In physics, sound is a vibration that propagates as an acoustic wave, through a transmission medium such as a gas, liquid or solid.
In human physiology and psychology, sound is the ''reception'' of such waves and their ''perception'' by the ...
'' in their name.
The
Marlborough Sounds
The Marlborough Sounds are an extensive network of sea-drowned valleys at the northern end of the South Island of New Zealand. The Marlborough Sounds were created by a combination of land subsidence and rising sea levels. According to Māori m ...
, a series of deep indentations in the coastline at the northern tip of the South Island, are in fact drowned river valleys, or
ria
A ria (; gl, ría) is a coastal inlet formed by the partial submergence of an unglaciated river valley. It is a drowned river valley that remains open to the sea.
Definitions
Typically rias have a Drainage system (geomorphology)#Dendritic dr ...
s. The deeply indented coastlines of Northland and Auckland also host many rias, such as the
Hokianga
The Hokianga is an area surrounding the Hokianga Harbour, also known as the Hokianga River, a long estuarine drowned valley on the west coast in the north of the North Island of New Zealand.
The original name, still used by local Māori, is ...
and
Waitematā Harbour
Waitematā Harbour is the main access by sea to Auckland, New Zealand. For this reason it is often referred to as Auckland Harbour, despite the fact that it is one of two harbours adjoining the city. The harbour forms the northern and easter ...
s.
New Zealand has fifteen named maritime fiords, listed here from northernmost to southernmost.
[Distance measured down centreline of fiord from coastline to head of longest arm of fiord.]
List
Thompson Sound separates
Secretary Island
Secretary Island () is an island in southwestern New Zealand, lying entirely within Fiordland National Park. Roughly triangular in shape, it lies between Doubtful Sound / Patea in the south and Te Awa-o-Tū / Thompson Sound in the north, with i ...
from the mainland and connects with Doubtful Sound and Bradshaw Sound at its inland end. The mouth of Bradshaw Sound is on Doubtful Sound approximately 12 km from the Tasman Sea.
Freshwater fiords
A number of lakes in the Fiordland and
Otago
Otago (, ; mi, Ōtākou ) is a region of New Zealand located in the southern half of the South Island administered by the Otago Regional Council. It has an area of approximately , making it the country's second largest local government reg ...
regions also fill glacial valleys.
Lake Te Anau
Lake Te Anau is in the southwestern corner of the South Island of New Zealand. The lake covers an area of , making it the second-largest lake by surface area in New Zealand (after Lake Taupō) and the largest in the South Island. It is the larg ...
has three western arms which are fiords (and are named so).
Lake McKerrow
Lake McKerrow / Whakatipu Waitai lies at the northern end of Fiordland, in the southwest of New Zealand's South Island. The lake runs from southeast to northwest, is in length, and covers .
Lake McKerrow drains, and is drained by, the Hollyford ...
to the north of Milford Sound is a fiord with a silted-up mouth.
Lake Wakatipu
Lake Wakatipu ( mi, Whakatipu Waimāori) is an inland lake (finger lake) in the South Island of New Zealand. It is in the southwest corner of the Otago region, near its boundary with Southland. ''Lake Wakatipu'' comes from the original Māori nam ...
fills a large glacial valley, as do lakes
Hakapoua,
Poteriteri,
Monowai and
Hauroko in the far south of Fiordland.
Lake Manapouri
Lake Manapouri is located in the South Island of New Zealand. The lake is situated within the Fiordland National Park and the wider region of Te Wahipounamu South West New Zealand World Heritage Area.
Māori History
According to Māori people, ...
has fiords as its West, North and South arms.
References
New Zealand Geographic Placenames Database{{reflist
Fjords
In physical geography, a fjord or fiord () is a long, narrow inlet with steep sides or cliffs, created by a glacier. Fjords exist on the coasts of Alaska, Antarctica, British Columbia, Chile, Denmark, Germany, Greenland, the Faroe Islands, Icela ...
New Zealand
New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island count ...
Fiords
In physical geography, a fjord or fiord () is a long, narrow inlet with steep sides or cliffs, created by a glacier. Fjords exist on the coasts of Alaska, Antarctica, British Columbia, Chile, Denmark, Förden and East Jutland Fjorde, Germany, Gr ...