Himalaya Reserve is listed as a nature reserve on an unnamed road in Lynfield, Auckland. It has a 4.8 rating on Google, and its listing points to Auckland Council's parks and recreation pages.
A good nature reserve protects habitat for plants and wildlife while letting people walk through it quietly. A suburban reserve is often a pocket of bush, grass or a stream corridor, so it suits a short walk, birdwatching or a breath of green space close to home. Regulars know that early mornings are best for birdsong, that paths can be muddy after rain, that tracks may be narrow or steep and that mobile coverage is usually fine in a suburb but patchy in a gully. Stay on the paths, keep dogs out if the council signs say so, never disturb nesting birds and take your rubbish home. Wear sturdy shoes, check the council's website for any track closures and check where to park, as access off an unnamed road may be limited. If something is broken or unsafe, you can report it to Auckland Council so it gets fixed.
For anyone in Lynfield and southern Auckland, Himalaya Reserve is a quiet local green space to explore.