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Manawatū Gorge road, c.1891. Previously, traffic travelling from the east and west of the central North Island [3] used the Manawatū Gorge road, first opened in 1872. [4] The road closed in 2004 and 2015, and also from 2011 to 2012 that lasted more than a year. On 24 April 2017, a slip from the Tararua Range cut off the road. Following more ...
There is a gap in the SH 3 designation here due to the closure of the Manawatū Gorge route in 2017, and traffic between Ashhurst and Woodville is required to detour via nearby Saddle Road while a replacement highway on a new alignment is under construction. [22]
The Manawatu Gorge is significant because, unlike most gorges, the Manawatu River is a water gap, that is it runs directly through the surrounding ranges from one side to the other. This was caused by the ranges moving upwards at the same time as the gorge was eroded by the river, instead of the more usual erosion of an already existing range.
The Manawatū River begins just inside the Hawke's Bay Region, then flows through a deep gorge to the Manawatu Plains before exiting in the Tasman Sea. The river is also unique in New Zealand (and rare worldwide) in that this gorge (the Manawatū Gorge ) is a water gap through recently uplifted rock, causing the river to flow from relatively ...
Because it drained a large catchment, the river had sufficient flow to keep pace with and erode the rising mountains, eventually forming the Manawatū Gorge; other rivers were unable to and were diverted into the Manawatū instead. [8] After exiting the Manawatū Gorge, the river carries rock and sediment down from the mountains.
This road is heavily trafficked in the event of the closure of the Manawatū Gorge due to slips. State Highway 57 between Aokautere and Ashhurst is then used to take traffic from State Highway 3 to the Pahiatua Track. From Aokautere, the highway proceeds straight on the southern banks of the Manawatu River to the western end of the Manawatū Gorge.
Awakino Gorge Tunnel – on SH 3 between New Plymouth and Te Kūiti. Single lane. This tunnel was permanently closed in mid-2021, [5] and has been bypassed by two bridges across a corner of the Awakino River, on the other side of the river to the tunnel. [6] Homer Tunnel – on SH 94 between Hollyford Valley and Milford Sound, Fiordland, 1200 m ...
The Manawatu Plains is an area of low ... area of land extends inland from the South Taranaki Bight to almost as far as Ashhurst at the mouth of the Manawatū Gorge ...