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Lake Ianthe

Depth: 28 metres

Area: 470.8 hectares

Altitude: 9 metres

Lake ID: 47491

Main vegetation type:
Indigenous Forest

Hokitika

West Coast
43° 3' 23" S
170° 37' 32" E
Lowland

Iwi / representative groups:

  • Ngāi Tahu
    • Te Rūnanga o Makaawhio

Description

Lake Ianthe is a large body of open water mostly surrounded by hill slopes of indigenous podocarp forest, with a large flax swamp at its southern end. The lake supports a substantial diversity of wetland birds, including perhaps Westland’s largest population of Great Crested Grebe, an endangered species in New Zealand. The lake occupies the depression created by the lobe of a former glacial trough, and is surrounded on three sides by a moraine extending from the Wanganui River valley. The southern shores are bordered by swampy alluvial flats of recent geological origin. Two small creeks flow into the northern end of the lake, and the lake and swamp drain via Ianthe Creek into the Wanganui River. The lake has a maximum recorded depth of approximately 32 m towards the northern end, but more than half of the lake is less than 6 m deep.

47491
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Our Lakes

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    • Northland
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    • Hawke’s Bay
    • Taranaki
    • Manawatū/Whanganui
    • Wellington
    • Tasman
    • West Coast
    • Marlborough
    • Canterbury
    • Otago
    • Southland
  • Coastal Lakes
  • Lowland Lakes
  • Highland Lakes
  • Alpine Lakes

About

  • The Project
  • The Science
    • Field Sampling
    • Laboratory Analysis
    • Student Projects
  • Science Aims
  • Rohe Studies
    • Rangitīkei Iwi Rohe Study
    • Wairarapa Moana iwi rohe study
  • Virtual Experience
  • Social Science
  • Iwi Relationships
  • The Team
    • Advisory Groups
    • Lakes380 Co-lead Institutes​
    • National Collaborators
    • International Collaborators
  • Partners

Resources

  • Contact & Links
  • Blog, News & Publications
  • Video Gallery
  • Results
  • Glossary