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Hangatahua (Stony) River

The Hangatahua (Stony) River was protected in its natural state by New Zealand’s first Local Conservation Order in 1985, and the Order’s provisions are now embodied in the Regional Freshwater Plan for Taranaki. It holds special value for the Taranaki Iwi.  Ecological health has been stable over time in the Stony catchment, although subject to short-term impacts due to erosion events at the mountain. 

Including Egmont National Park, the Hangatahua (Stony) catchment has a total of 294 km of stream bank.   The Council’s database shows 83% of the stream banks in the catchment are planted in riparian vegetation with 72% stream banks located within Egmont National Park and 11% of stream banks covered by a Council riparian management plan outside the park boundary.  Further to this, 72% of stream banks are protected by riparian fencing within National Park while a further 19% of stream banks are fenced outside the park.  There are stretches of stream bank that are both fenced and planted.  Overall, 76% of the stream banks outside of Egmont National Park are covered by riparian plans (June 2019).


Sites 2

Monitored sites in the Hangatahua (Stony) River catchment

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