# John Britten crag, a cliff of Christchurch

A named cliff in Christchurch, at Heathcote Valley.

Suburb: [Heathcote Valley](https://www.chch.live/heathcote-valley)

From the air, an aerial view of John Britten crag: https://api.chch.live/biz-img?slug=rock-john-britten-crag (LINZ / ECan aerial survey, CC BY 4.0).

## The ground under it

- [Under the hill country’s watch band](https://www.chch.live/slope), the plan’s broad instability overlay
- [The liquefaction model grades it “Liquefaction Damage is Unlikely”](https://www.chch.live/vulnerability), the 2019 screening study
- [Inside a kept landscape, ONL38.2 - Outstanding Natural Landscape](https://www.chch.live/landscape), the landscape schedule
- [The plan zones this ground Open Space Natural](https://www.chch.live/zones), ON
- [The rockfall survey counts 286 boulders within 500 m](https://www.chch.live/boulders), 250 came down · 1 wobbles easy
- [The nearest recorded shake: M3.3](https://www.chch.live/sequence), 9 March 2011 · under 150 m from the pin · 557 logged within 5 km
The whole stack, answered live: https://www.chch.live/before?lat=-43.580313&lon=172.721321&radius=250

## Around it

- [Scotts Valley Reserve](https://www.chch.live/park/1412-scotts-valley-reserve), the regional park it’s inside
- [John Britten Reserve](https://www.chch.live/park/1526-john-britten-reserve), regional park · under 150 m
- [Walk and bike track through Sumner](https://www.chch.live/track/walk-187-sumner), track · 1.0 km
- [Walk and bike track through Heathcote Valley](https://www.chch.live/track/walk-163-heathcote-valley), track · 1.2 km
- [Cattle Stop crag](https://www.chch.live/rock/cattle-stop-crag), rock · ~500 m
- [old Heathcote Quarry site](https://www.chch.live/rock/old-heathcote-quarry-site), rock · 1.2 km
- [Twisted Sister](https://www.chch.live/rock/twisted-sister), rock · 1.3 km
- [Middle Sister](https://www.chch.live/rock/middle-sister), rock · 1.3 km


## The reports nearby
2 reports pinned within 250 m of the point, a pin is where a reporter stood, not a claim about the place.
- [Overgrown Vegetation](https://www.chch.live/report/2826960), [70 Morgans Valley, Heathcote Valley, Christchurch 8022, New Zealand](https://www.chch.live/heathcote-valley/70-morgans-valley)
- [Parks](https://www.chch.live/report/2384564), CP9C+PP Christchurch, Canterbury, New Zealand

## Questions, answered briefly

**What is John Britten crag?**

A named cliff in Christchurch, at [Heathcote Valley](https://www.chch.live/heathcote-valley), as the open map records it.

**Where exactly is John Britten crag?**

The pin is OpenStreetMap’s own position for the cliff, the formation’s own ground, or its centreline’s middle. Neighbours on the register are near it, not the same record.


---
The position and the names are OpenStreetMap’s, a named cliff, rock, reef or quarry inside the city boundary (ODbL). A pin is the mapper’s position for the feature; the dual names and the crag names are recorded as the map carries them.
The page: https://www.chch.live/rock/john-britten-crag
The whole roll as data: https://www.chch.live/rock.geojson
The high places: https://www.chch.live/summit
The old sites: https://www.chch.live/site