Ensiklopedia Dunia

Coordinates: 41°12′51″S 172°06′32″E / 41.21415°S 172.10882°E

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Ōpārara River
Ōpārara River near Moria Gate Mirror Tarn
Route of the Ōpārara River
Mouth of the Ōpārara River Show map of New Zealand Ōpārara River (South Island) Show map of South Island
Location
Country	New Zealand
Physical characteristics

Source
• coordinates	41°04′42″S 172°13′47″E / 41.0783°S 172.2298°E / -41.0783; 172.2298

Mouth
• location	Karamea Bight
• coordinates	41°12′51″S 172°06′32″E / 41.21415°S 172.10882°E / -41.21415; 172.10882
• elevation	0 metres (0 ft)
Length	25 kilometres (16 mi)
Basin features
Progression	Ōpārara River → Karamea Bight → Tasman Sea
Tributaries
• left	Celeborn Creek, Nimrodel Creek, Postal River, Fenian Creek, Splinter Creek
• right	Nenya Creek, Vilya Creek, Narya Creek

The Ōpārara River is a river in the West Coast region of New Zealand's South Island. It is best known for the limestone arches it carved in the Oparara Basin.

The river and most of its tributaries originate in the Fenian Ranges in the Kahurangi National Park, where the river flows through a section of the Honeycomb Hill Cave. Further downstream it continues through the Ōpārara Basin Arches, both of which are popular walking destinations. These sections of the Ōpārara River, while still in dense native forest, can be reached by a forestry road. For the majority of its length it continues to meander south through the Ōpārara Basin before turning west to flow into the Tasman Sea near the small settlement of Ōpārara north of the township of Karamea.

The river's colour varies from tea-like shades of golden brown to red from the natural organic tannins released into the water by several of the plant species in the area. Leaves and other plant matter on the forest floor release these tannins as they decompose – this eventually leeches into and stains the water, with the shade and intensity varying depending on rainfall and season.

The river and contributing streams in the area are a habitat for the endangered South Island whio; the area used to sustain a large population of whio and is now a location for a recovery programme run by the New Zealand Department of Conservation.^[1] The rare and protected Ōpārara giant land snail (Powelliphanta annectens) has only been found in areas around 700 m from the Ōpārara River.^[2]

Brown trout can be fished year-round in the river's estuary.^[3]

Waters of the Oparara River stained different hues from golden-brown to red by naturally occurring tannins

References

Wikimedia Commons has media related to Ōpārara River.

^ "Saving whio on the Styx and Oparara Rivers" (PDF). NZ Department of Conservation. Retrieved 17 September 2013.
^ "Carnivorous land snails – Powelliphanta" (PDF). NZ Department of Conservation. Archived from the original (PDF) on 21 October 2012. Retrieved 17 September 2013.
^ "Oparara River fishing". Archived from the original on 30 September 2018. Retrieved 17 September 2013.

Kahurangi National Park

Mountains

Mountain ranges

Mountain passes

Granity Pass

Caves

Coastal features

Lakes and reservoirs

Walking tracks

Rivers

Tasman District	Anatoki River Aorere River Baton River Big River Boulder River Brown River Clark River Clarke River Cobb River Dart River Devil River Ellis River Fyfe River Hope River Kaituna River Little Boulder River Little Devil River Little Ōnahau River Little Pokororo River Little Slate River Little Waingaro River Matiri River Ōnahau River Onekaka River Ōtere River Owen River Parapara River Pariwhakaoho River Paturau River Pearse River Pokororo River Puremāhaia River Riuwaka River Rocky River Rolling River Saxon River Sherry River Skeet River Slate River Snow River Spey River Stanley River Tadmor River Tākaka River Te Waikoropupū River Turimawiwi River Waingaro River Wangapeka River
Buller District	Allen River Beautiful River Crow River Gunner River Heaphy River Hemphill River Huia River Johnson River Kahurangi River Kākāpō River Karamea River Kōhaihai River Leslie River Lewis River Little Crow River Little Wanganui River Mōkihinui River Ōpārara River Basin Postal River Roaring Lion River Taipō River Ugly River
both districts	Buller River

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