Last updated May 2026
Onepoto Domain in Northcote sits inside one of Auckland’s oldest volcanic craters — a 600-metre-diameter explosion crater with a high surrounding tuff ring that erupted around 185,000 years ago, one of Auckland’s two oldest volcanoes. The flat crater floor (now ~60m of accumulated sediment over the original volcanic base) was reclaimed in 1975 to create sports fields and recreational space, and today the domain has two well-maintained playgrounds for different age groups, a flying fox, climbing walls, monkey bars, tunnel slides, a learn-to-ride bike path, a lake, picnic areas, forest and wetlands.
Practical Information
| Location | Onepoto Domain, 24 Tarahanga Street, Northcote |
| Volcanic setting | 600 m-diameter explosion crater + tuff ring; one of Auckland’s two oldest volcanoes (erupted ~185,000 years ago) |
| Sediment depth in crater floor | Over 60 m of accumulated sediment above the volcanic base |
| Crater reclaimed | 1975 — sports fields created |
| Playgrounds | Two — one for older kids (flying fox, climbing wall, monkey bars, tunnel slides), one for younger children |
| Cycle path | Onepoto Beginner’s Path — Auckland’s cycle playground for learners |
| Other features | Lake, picnic areas, forest, wetlands |
| Cost | Free |
About the Domain
Onepoto Domain occupies one of the oldest volcanic craters in the Auckland Volcanic Field — a 600-metre-wide explosion crater with a tuff ring (the rim of ejecta material) still visible around the modern sports fields. The crater erupted around 185,000 years ago, making Onepoto one of Auckland’s two oldest volcanoes. After the eruption, the crater filled with sediment to form a freshwater lake, which later became a tidal lagoon as sea levels rose and the Waitematā Harbour breached the tuff rings of the North Shore explosion craters.
The current flat domain floor sits on top of over 60 metres of accumulated sediment from that long lake-and-lagoon history. Parts of the surrounding tuff ring were quarried away in the 1950s to provide fill for the Northern Motorway; in 1975 the crater was formally reclaimed to create the sports fields that anchor the modern domain.
The Playgrounds
The domain has two playgrounds for different age groups. The older-kids playground includes a flying fox, climbing walls, monkey bars and tunnel slides — substantial active-play equipment. The younger-children playground is a separate area with age-appropriate equipment. Both playgrounds are within the wider domain alongside the lake, picnic areas, forest sections and wetland walkways, so a family visit can naturally combine play with a wander around the crater floor.
Learn-to-Ride Bike Path
The Onepoto Beginner’s Path is Auckland Council’s dedicated cycle-playground path through the domain — a safe sealed loop suitable for young children learning to cycle. It’s one of a small number of dedicated learn-to-ride paths across Auckland and makes Onepoto a destination for cycling parents who want a controlled environment for their kids to build skills.
Where to Learn More
GNS Science Geotrips — Onepoto — official geological resource on the Onepoto explosion crater, with formal volcanic-history detail.
Kaipatiki Community Facilities Trust — Onepoto Domain — community trust page with current domain facilities, events and improvements.
Auckland Council — Onepoto Beginner’s Path — official council page for the cycle-learning path through the domain.
Frequently Asked Questions
Where is Onepoto Domain?
24 Tarahanga Street, Northcote — on Auckland’s North Shore.
Is Onepoto really inside a volcanic crater?
Yes — it’s a 600-metre-diameter explosion crater that erupted around 185,000 years ago. The current flat floor sits on over 60 metres of accumulated sediment from when the crater was a freshwater lake and later a tidal lagoon.
How many playgrounds are at Onepoto Domain?
Two — one for older kids (flying fox, climbing walls, monkey bars, tunnel slides) and one for younger children.
Is there a learn-to-ride bike path?
Yes — the Onepoto Beginner’s Path is Auckland’s dedicated cycle-playground path for kids learning to ride.
What else is at the domain?
Sports fields, a lake, picnic areas, forest sections and wetland walkways.
When was the crater reclaimed?
1975 — to create the sports fields that anchor the modern domain.
For more Auckland playgrounds see the Playgrounds in Auckland guide.
Spotted something incorrect on this page? Let us know.