Goat Island / Rakiriri is an island in Otago Harbour

Otago Harbour

Otago Harbour is the natural harbour of Dunedin, New Zealand, consisting of a long, much-indented stretch of generally navigable water separating the Otago Peninsula from the mainland. They join at its southwest end, from the harbour mouth...

 in Otago

Otago

Otago is a region of New Zealand in the south of the South Island. The region covers an area of approximately making it the country's second largest region. The population of Otago is...

, in the southern South Island

South Island

The South Island is the larger of the two major islands of New Zealand, the other being the more populous North Island. It is bordered to the north by Cook Strait, to the west by the Tasman Sea, to the south and east by the Pacific Ocean...

 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 located between Port Chalmers

Port Chalmers

Port Chalmers is a suburb and the main port of the city of Dunedin, New Zealand, with a population of 3,000. Port Chalmers lies ten kilometres inside Otago Harbour, some 15 kilometres northeast from Dunedin's city centre....

 and Portobello

Portobello, New Zealand

Portobello is a village beside the Otago Harbour halfway along the Otago Peninsula in Dunedin City, New Zealand. It lies at the foot of a small peninsula between Portobello Bay and Latham Bay....

, to the northeast of Dunedin

Dunedin

Dunedin is the second-largest city in the South Island of New Zealand, and the principal city of the Otago Region. It is considered to be one of the four main urban centres of New Zealand for historic, cultural, and geographic reasons. Dunedin was the largest city by territorial land area until...

's city centre.

The second-largest island in the harbour, Goat Island covers 4.5 hectares (11.1 acre), and is located to the northwest of the larger Quarantine Island/Kamau Taurua. Unlike its neighbour, Goat Island is uninhabited, and is designated as a scenic reserve and Historic Area

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...

.

The two islands, along with the Portobello Peninsula

Portobello, New Zealand

Portobello is a village beside the Otago Harbour halfway along the Otago Peninsula in Dunedin City, New Zealand. It lies at the foot of a small peninsula between Portobello Bay and Latham Bay....

, are all part of a ridge (anticline

Anticline

In structural geology, an anticline is a fold that is convex up and has its oldest beds at its core. The term is not to be confused with antiform, which is a purely descriptive term for any fold that is convex up. Therefore if age relationships In structural geology, an anticline is a fold that is...

) lying across the centre of the harbour, which was the crater of the long-extinct Dunedin volcano - running from Portobello to Port Chalmers.

Goat Island / Rakiriri is one of New Zealand's dual placenames. The Maori language

Maori language

Māori or te reo Māori , commonly te reo , is the language of the indigenous population of New Zealand, the Māori. It has the status of an official language in New Zealand...

portion Rakiriri means "Angry sky".