Project Twin Streams is an umbrella name for a number of initiatives centred around two streams (Opanuku and Oratia) in the former Waitakere City Council area of Auckland, New Zealand. It consists of a number of environmental and community initiatives and infrastructure, more or less loosely associated. These include wetland restoration, with a large component of volunteer work, partly to control floodwater effects coming down from the Waitakere Ranges.[1] The conservation works, both for the streams and the wider catchment, won second place in the International Thiess Riverprize in 2007.[2]
One of the most visible initiatives is the well-received Twin Streams Walk- and Cycleway, which allows residents and visitors to wander or ride most of the length of the two streams and some of their tributiaries.[3]