Fernhill Motor Lodge is listed as a park in Gracefield, Lower Hutt, with a Google rating of 4.0.
When a place is listed as a park, a good one gives people room to do different things at once: open grass, a path for walking, and somewhere to sit out of the wind. When choosing one, look at shade, drainage and whether it is set back from the road, especially with small children or a dog. Regulars know that Hutt Valley grass stays soft for a day or two after heavy rain, and that early mornings and weekday afternoons are the quietest times. Wind can make open ground feel cooler than the forecast, so a spare layer helps. Bring water and take your rubbish home.
For people in Gracefield and around Lower Hutt, Fernhill Motor Lodge is a local listing worth a quick check before you go.