Orongorongo River

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Aerial view of the Orongorongo Valley

The Orongorongo River (officially Ōrongorongo River) runs for 32 kilometres (20 mi) southwest through the Orongorongo Valley in the southern Remutaka Ranges of the North Island of New Zealand. The river and its associated catchments lie within the bounds of the Remutaka Forest Park, which is administered by the Department of Conservation.[1]

The New Zealand Ministry for Culture and Heritage gives a translation of "place of Rongorongo" [a woman's name] for Ōrongorongo.[2]

Orongorongo River is the main artery of the Remutaka Range, draining an area with rainfall of up to 2,400 millimetres (94 in) a year, which is twice as much as the rainfall at the mouth of the river at Cook Strait. For much of its course the river is a braided river, with a wide bed of greywacke shingle and gravel and a number of streams of water. The gravel bed can be seen as light-coloured areas of varying width in the adjacent image.

Because the rainfall in the Remutaka Range often comes in high-intensity rainstorms, the river is prone to violent floods. The most severe of these floods sweep away most of the river's vegetated islands every 15 to 20 years. Between these floods, the shingle islands are gradually colonised by various low growing plants, followed by a host of native shrubs such as tauhinu and manuka, and eventually small trees.

In December 2019, the approved official geographic name of the river was gazetted as "Ōrongorongo River".[3]

Recreation[]

The Orongorongo Valley is popular with day walkers and trampers from the Wellington Region. The most popular access is via the Catchpool Valley.[4] The four-hour return Orongorongo Track reaches the river where Turere Stream flows into it. From there, a number of day and multi-day tracks, ranging from walking tracks to routes, continue deeper into the Rimutaka Forest Park.

Several Department of Conservation huts, some of them serviced, as well as basic private baches dot the Orongorongo Valley, mainly around the river's upper half.

  • Looking north from Turere Stream

  • Looking north over the "Manuka Flats"

  • Northern rātā on flower behind Orongorongo River

  • Looking at "Big Bend" from the "Wet Weather Track"

  • Bridge over Turere Stream, a tributary of the Orongorongo River

  • Trailhead Sign for Orongorongo Track

  • A woodburner in the middle of the image with a patch of sun on the hearth and a window to the left of the chimney. Towels drying above.

    Inside one of the DOC huts 2013

  • A green hut with a 4 steps up to a small porch. Lots of small windows including one above the porch like a house truck might have. Trees surround the hut..

    Private batch

Biodiversity[]

The Orongorongo valley is home to the at-risk moth species Pyrgotis transfixa.[5]

References[]

  1. ^ "Places to go".
  2. ^ "1000 Māori place names". New Zealand Ministry for Culture and Heritage. 6 August 2019.
  3. ^ "NZGB notices – December 2019". Land Information New Zealand. 10 December 2019. Retrieved 15 December 2019.
  4. ^ Catchpool and Orongorongo Valleys - Rimutaka Forest Park
  5. ^ Patrick, B.H.; Dugdale, J.S. (2000). Conservation status of the New Zealand lepidoptera (PDF). Wellington, N.Z.: Dept. of Conservation. p. 31. ISBN 047821867-2. Retrieved 25 May 2018.

External links[]

Coordinates: 41°25′S 174°54′E / 41.417°S 174.900°E / -41.417; 174.900


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