Lake Pupuke Lake Pupuke, Auckland, New Zealand
Posted on November 12, 2015 / 1486 Listing verified as genuine
Listing Type : Lake
Item Type : LakeVolcano
Location :

Lake Pupuke is a heart-shaped freshwater lake occupying a volcanic explosion crater (or maar) between the suburbs of Takapuna and Milford on the North Shore of Auckland, New Zealand. The heart shape is a result of its formation by the linking of two circular craters – a larger one forming most of the lake and a smaller one forming the arm in the northeast. Separated from the sea by less than 200 m at one point, it has a circumference of about 4.5 km and reaches 57 m in depth. It is popular for recreational activities and the lakefront property around it.

Geology

220px-Fossil_forestTakapuna Reef’s exceptional fossil forest was exhumed by coastal erosion when the sea level rose to its current height, following the last Ice Age, 7,200 years ago

Other similar craters in the Auckland Volcanic Field were either buried by later eruptions, or breached by erosion as rainwater collected and overflowed the edge of the crater. Lake Pupuke remains a lake because, unlike the other vents, its eruptions produced substantial lava flows; water can thus escape through cracks in the lava reaching under the crater wall, creating a series of freshwater springs along the beaches between Takapuna and Milford. The lava flow at the end of Takapuna Beach enveloped a kauri forest, producing an internationally significant collection of tree moulds, which has been called “New Zealand’s only example of a fossil forest preserved in a lava flow” and which “ranks among the best examples in the world.” Some moulds have escaped burial by the boat ramp and car park built on top of the lava, and can be viewed at low tide.

History

220px-The_old_pumphouse_at_Lake_Pupuke

The old pumphouse

In 1894, a pump house was built on the shore of the lake to supply fresh water to the local area. This was replaced in 1906 by a second pump house. As a result of increasing demand, the water level of the lake fell and water quality decreased. The use of the lake as a fresh water supply was discontinued in 1944 when new supplies were sourced from reservoirs in the Waitakere Ranges. The second pump house became a protected building (Category II) under the New Zealand Historic Places Trust in 1983 and is maintained as a theatre with three performance spaces including an outdoor amphitheatre. There is also a café adjacent to the old pump house.

Māori mythology

A Māori myth surrounding the lake tells of a tupua couple, children of the fire gods. After quarreling and cursing Mahuika, the fire-goddess, their home on the mainland was destroyed by Mataoho, god of earthquakes and eruptions, on Mahuika’s behalf. Lake Pupuke resulted from the destruction, while Rangitoto Island rose from the sea as their exile. The mists surrounding Rangitoto at certain times are considered the tears of the tupua couple for their former home.

Human use

Close to the Takapuna city centre, the lake is popular not only with wild birds (such as shags) but with picnickers, paddlers, kayakers, rowers, yachtsmen, divers, and windsurfers (lessons have been given on the lake). Free divers (no tanks) have practiced in the lake. College rowing crews use it. There have been boating races. The Pupuke Boating Club operates there. Takapuna Boating Club hosts regattas. Lake Pupuke is suitable for swimming but murky and contains thick vegetation, and there have been drownings. The lake has been tested for bacteria and generally meets safe swimming conditions.

In 2007, recreational fishing has become more prominent since rainbow trout were released into the lake from a fish hatchery. However, since there are no actual streams entering or leaving the lake, trout will not be able to reproduce naturally, and new trout will have to be released periodically. Other fish in the lake include tench, perch, rudd, and carp.

The crater wall has been quarried in several places, most intensely on the western side between Shea Terrace and Rangitira Avenue, where Smales Quarry continues to operate. A long thin lagoon called Quarry Lake has been formed there by flooding a former quarry area.

The Takapuna PumpHouse Theatre is alongside the lake. Above the Pumphouse is Takapuna’s municipal swimming pool, which has sometimes been described as “intrusive” and “ugly”.

Lakeside real estate is expensive. Empty lakefront land is rare; one undeveloped parcel cost $2.7 million in 2008. Lake Pupuke is identified as a “high risk” area in the event of a tsunami, and a high-tech phone alert system was developed for North Shore residents in case of an emergency.

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