Casnell Island
Native name: Maunganui | |
|---|---|
 Casnell Island in Mahurangi Harbour | |
 | |
| Geography | |
| Location | Auckland |
| Coordinates | 36°29′24″S 174°43′34″E / 36.49°S 174.726°E |
| Adjacent to | Mahurangi Harbour |
| Area | 68,000 m2 (730,000 sq ft)[1] |
| Length | 386 m (1266 ft) |
| Width | 230 m (750 ft) |
| Highest elevation | 40 m (130 ft) |
| Administration | |
New Zealand | |
Casnell Island is an uninhabited island located in the Mahurangi Harbour, Auckland Region, New Zealand.
Geography
The island is located in the Mahurangi Harbour at the mouth of Te Kapa River.[2] It is accessible from Scotts Landing at low tide via a causeway.[3] It is the largest island found in the Mahurangi Harbour.[1]
The island is formed from Waitemata Group sandstone and mudstone.[1]
Biodiversity
Much of the island is dominated by kanuka forest, with areas of pōhutukawa, kōwhai and grassland.[1]
History
The island was a pā site in the 16th century,[3] serving as a defensive fort at the entrance of the Mahurangi Harbour.[1]
References
- ^ a b c d e de Lange, Peter J.; Crowcroft, G. M. (1996). "The Vascular Flora of Maunganui (Casnell) Island Scotts landing Mahurangi Harbour" (PDF). Auckland Botanical Society Journal. 51 (2). Auckland Botanical Society: 38–49.
- ^ "Place name detail: Casnell Island". New Zealand Gazetteer. New Zealand Geographic Board. Retrieved 24 June 2024.
- ^ a b "Casnell Island". Mahurangi East Residents & Ratepayers Association. 3 June 2019.