The Western Bays have a walking map which here is in pdf format and 2 halves.

The first half is 10.5 Mb is Herne Bay, St Marys Bay, Grey Lynn, Arch Hill, Ponsonby, Freemans Bay

The second half is 5.5 Mb  is Pt Chevalier, Western Springs and Westmere

Walk Auckland is a community advocacy group promoting and protecting safe, easy walking around the cities of greater Auckland