Pitt Avenue Foreshore is listed as a nature reserve in Clendon Park, Manukau, in south Auckland, on an unnamed road near the Manukau Harbour. It has a 4.6 rating on Google and an entry on the places.nz website.
A good nature reserve protects habitat for plants and wildlife while letting people walk through it quietly. A foreshore reserve beside a harbour is often a place to see wading birds, mangroves and mudflats, and the tide changes how it looks, so check the tide times before you go. Regulars know that early mornings and the hours either side of high tide are best for birdwatching, that wind and cold off the water are common, that tracks and boardwalks can be muddy and that binoculars help. Keep to the paths, keep dogs out if rules say so, never disturb nesting or roosting birds and take your rubbish home. Wear sturdy shoes, bring water and sun protection and check where to park, as the road is unnamed.
For anyone in Clendon Park and south Auckland, Pitt Avenue Foreshore is a quiet harbourside reserve to walk and watch birds.