# Motukauatirahi / Cass Bay, a bay of Christchurch

A named bay on the city’s coast. Also recorded as “Motukauatirahi” and “Cass Bay”.

From the air, an aerial view of Motukauatirahi / Cass Bay: https://api.chch.live/biz-img?slug=coast-motukauatirahi-cass-bay (LINZ / ECan aerial survey, CC BY 4.0).

## The ground under it

- [On scheduled Ngāi Tahu ground](https://www.chch.live/cultural), Whakaraupō
- [The rockfall survey counts 13 boulders within 500 m](https://www.chch.live/boulders), 0 came down · 2 wobble easy
- [The nearest recorded shake: M3.8](https://www.chch.live/sequence), 8 March 2011 · ~900 m from the pin · 399 logged within 5 km
The whole stack, answered live: https://www.chch.live/before?lat=-43.607414&lon=172.692743&radius=250

## Around it

- [Corsair Bay Reserve](https://www.chch.live/park/1126-corsair-bay-reserve), community park · ~150 m
- [Cass Bay Walkway](https://www.chch.live/park/1826-cass-bay-walkway), community park · ~150 m
- [Ōtūherekio](https://www.chch.live/coast/otuherekio), coastal spot · ~400 m
- [Motukauatiiti / Corsair Bay](https://www.chch.live/coast/motukauatiiti-corsair-bay), coastal spot · ~550 m
- [Magazine Bay](https://www.chch.live/coast/magazine-bay), coastal spot · ~850 m
- [Tāpoa / Erskine Point](https://www.chch.live/coast/tapoa-erskine-point), coastal spot · ~900 m


## Questions, answered briefly

**What is Motukauatirahi / Cass Bay?**

A named bay on Christchurch’s coast, as the open map records it.

**What else is Motukauatirahi / Cass Bay called?**

The map also records “Motukauatirahi” and “Cass Bay”, the page answers to all of them.

**Where exactly is Motukauatirahi / Cass Bay?**

The pin is OpenStreetMap’s own position for the bay, a bay’s pin sits on the water it names, a headland’s on the point. Neighbours on the register are near it, not the same record.


---
The position and the names are OpenStreetMap’s, a named bay or cape inside the city boundary (ODbL). A bay’s pin sits on the water it names; the dual names are recorded as the map carries them.
The page: https://www.chch.live/coast/motukauatirahi-cass-bay
The whole coast as data: https://www.chch.live/coast.geojson
The waterways inland: https://www.chch.live/river