Tiritiri Matangi Lighthouse
Encyclopedia
Tiritiri Matangi Lighthouse is a lighthouse
Lighthouse
A lighthouse is a tower, building, or other type of structure designed to emit light from a system of lamps and lenses or, in older times, from a fire, and used as an aid to navigation for maritime pilots at sea or on inland waterways....

 on Tiritiri Matangi, an island
Island
An island or isle is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, cays or keys. An island in a river or lake may be called an eyot , or holm...

 in the Hauraki Gulf
Hauraki Gulf
The Hauraki Gulf is a coastal feature of the North Island of New Zealand. It has a total area of 4000 km², and lies between the Auckland Region, the Hauraki Plains, the Coromandel Peninsula and Great Barrier Island...

 28 km north of Auckland
Auckland
The Auckland metropolitan area , in the North Island of New Zealand, is the largest and most populous urban area in the country with residents, percent of the country's population. Auckland also has the largest Polynesian population of any city in the world...

 in the North Island
North Island
The North Island is one of the two main islands of New Zealand, separated from the much less populous South Island by Cook Strait. The island is in area, making it the world's 14th-largest island...

 of New Zealand
New Zealand
New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

. It is owned and operated by Maritime New Zealand
Maritime New Zealand
Maritime New Zealand is a Crown entity responsible for protecting the maritime environment within New Zealand and maintaining safety and security....

. It is considered the best-preserved lighthouse complex in the country, and is the oldest lighthouse in New Zealand still in operation. It was once the most powerful lighthouse in the Southern Hemisphere
Southern Hemisphere
The Southern Hemisphere is the part of Earth that lies south of the equator. The word hemisphere literally means 'half ball' or "half sphere"...

.

History

Constructed in 1864 from cast iron
Cast iron
Cast iron is derived from pig iron, and while it usually refers to gray iron, it also identifies a large group of ferrous alloys which solidify with a eutectic. The color of a fractured surface can be used to identify an alloy. White cast iron is named after its white surface when fractured, due...

, the light was first lit on 1 January, 1865. The light was first automated in 1925 and used an acetylene
Acetylene
Acetylene is the chemical compound with the formula C2H2. It is a hydrocarbon and the simplest alkyne. This colorless gas is widely used as a fuel and a chemical building block. It is unstable in pure form and thus is usually handled as a solution.As an alkyne, acetylene is unsaturated because...

 burning revolving light. Keepers returned to the light in 1947 and it remained manned until 1984 when the light was fully automated. The light's last keeper, Ray Walter, remained on the island working with his wife Barbara as Department of Conservation rangers until their retirement in 2006.

The lighthouse along with the nearby visitor centre is a popular destination, although the light itself is not open to the public. The building has a Category I listing with the New Zealand Historic Places Trust
New Zealand Historic Places Trust
The New Zealand Historic Places Trust is a non-profit trust that advocates for the protection of ancestral sites and heritage buildings in New Zealand...

.
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