Ātiu Creek Campground is a campground at 414 Run Road, listed under Arch Hill in Auckland City, with a 4.4 Google rating.
Campgrounds range from simple paddocks to well-equipped sites, so the first thing to settle is what you need. Check whether the site takes tents, campervans or both, whether power and drinking water are available, and what the toilet and shower arrangements are. Read the booking rules, as popular sites often require reservations in summer and over long weekends. Regulars bring a mallet for pegs, a torch and extra layers, and they pitch on higher ground in case of rain. Arriving in daylight makes it much easier to pick a level spot and find your way around.
Before you set out, confirm the location with the campground, as Run Road and the Arch Hill listing may not describe the same place.