# Kat O

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Island in north-east Hong Kong

Kat O 吉澳 The pier of Kat O Location of Kat O in Hong Kong Geography Location North District Area 2.35 km2 (0.91 sq mi) Highest elevation 122 m (400 ft) Highest point Kai Kung Leng (雞公嶺) Administration Hong Kong

Kat O Traditional Chinese 吉澳 Literal meaning Crooked Island Transcriptions Hakka Romanization Ket au Yue: Cantonese Yale Romanization Gāt ou Jyutping Gat1 ou3

Village houses near the coast

**Kat O** ([Chinese](/source/Traditional_Chinese_characters): 吉澳), also named **Crooked Island**, is an [island](/source/Island) in northeast [Hong Kong](/source/Hong_Kong).

## Administration

Administratively, Kat O is part of [North District](/source/North_District%2C_Hong_Kong). It is a recognized village under the [New Territories](/source/New_Territories) [Small House Policy](/source/Small_House_Policy).[1]

## Geography

[Tin Hau Temple](/source/Tin_Hau_temples_in_Hong_Kong) on Kat O

Camp Cove (白沙頭灣) in the southern part of Kat O

Kat O is located in the west of [Mirs Bay](/source/Mirs_Bay).[2] With an area of 2.35 km²,[3] it is the largest island in North District, the second largest being [Wong Wan Chau](/source/Double_Island%2C_Hong_Kong) (Double Island).[4] Neighbouring islands include [Ap Chau](/source/Ap_Chau), [Ngo Mei Chau](/source/Ngo_Mei_Chau) (Crescent Island), and [Pak Sha Chau](/source/Pak_Sha_Chau_(North_District)) (Round Island). The village of Tung O (東澳) is located on its northwest coast.[4] Its highest point is Kai Kung Leng (雞公嶺), which is 122 m above sea level.[2]

O Pui Tong (澳背塘) is a bay surrounded by the crook-shaped Crooked Island and [Yeung Chau](https://en.wikipedia.org/w/index.php?title=Yeung_Chau,_North_District&action=edit&redlink=1).[5] O Pui Tong, together with the northwestern waters of Kat O, are two of the 26 designated [marine fish culture zones](/source/Agriculture_and_aquaculture_in_Hong_Kong) in Hong Kong.[6]

## History

Kat O was once a major fishing market in Hong Kong,[7] and long served as an important stopover for boats travelling between Hong Kong and the rest of China.[8]

During the [Ming dynasty](/source/Ming_dynasty), a decree required all inhabitants to leave the island. Then in the 1660s, soon after the end of the dynasty, it was re-settled by [Hakka](/source/Hakka) people.[8] Other residents were [Tanka](/source/Tanka_people) fishermen.[7]

## Features

The [Tin Hau Temple](/source/Tin_Hau_temples_in_Hong_Kong) at Kat O is estimated to be built in 1763.[9] It is listed as a [Grade III](/source/Heritage_conservation_in_Hong_Kong) historic building.[10] Part of the temple building was used for the Tat O School until the school was moved to a new location in 1957.[7] A [Pak Kung Shrine](https://en.wikipedia.org/w/index.php?title=Pak_Kung_Shrine&action=edit&redlink=1) is also located in the vicinity.[11]

The island is home to three cannons. These are thought to have been made in the west, during the 19th century.[11]

## Conservation

Kat O has been part of the [Plover Cove (Extension) Country Park](/source/Plover_Cove_(Extension)_Country_Park) since 1979.[12]

The Kat O Nature Trail is 1 km long, stretching from the Kat O Ferry Pier to Ko Tei Teng (高地頂).[2]

The Kat O Geoheritage Centre (at No. 142 Kat O Main Street) was opened in 2010[13] by Kat O villagers, volunteer groups and the government to raise public awareness of geo-conservation, as part of the [Hong Kong Geopark](/source/Hong_Kong_UNESCO_Global_Geopark).[14]

## See also

- [Islands portal](https://en.wikipedia.org/wiki/Portal:Islands)

- [Crooked Harbour](/source/Crooked_Harbour)

- [Double Haven](/source/Double_Haven)

- [Pat Sin Leng Country Park](/source/Pat_Sin_Leng_Country_Park)

## References

1. **[^](#cite_ref-1)** ["List of Recognized Villages under the New Territories Small House Policy"](https://www.landsd.gov.hk/doc/en/small-house/rv0909.pdf) (PDF). [Lands Department](/source/Lands_Department). September 2009.

1. ^ [***a***](#cite_ref-Nature_Trail_2-0) [***b***](#cite_ref-Nature_Trail_2-1) [***c***](#cite_ref-Nature_Trail_2-2) Hong Kong Geopark: [Kat O Nature Trail](http://www.geopark.gov.hk/en_s2b2i.htm)

1. **[^](#cite_ref-3)** Survey and Mapping Office, Lands Department: [Hong Kong geographic data sheet](http://www.landsd.gov.hk/mapping/en/publications/hk_geographic_data_sheet.pdf)

1. ^ [***a***](#cite_ref-Campbell_4-0) [***b***](#cite_ref-Campbell_4-1) ["K.W. Lai, S.D.G. Campbell & R. Shaw, *Geology of the Northeastern New Territories*, p. 15, Civil Engineering Dept, Geotechnical Engineering Office, December 1996"](https://web.archive.org/web/20120312095428/http://ebook.lib.hku.hk/HKG/B35840158.pdf) (PDF). Archived from [the original](http://ebook.lib.hku.hk/HKG/B35840158.pdf) (PDF) on 2012-03-12. Retrieved 2011-07-12.

1. **[^](#cite_ref-5)** ["O Pui Tong Fish Culture Zone"](http://www.waterman.hku.hk/fisheries/public/fcz.aspx?code=OPT). *Project WATERMAN*. [The University of Hong Kong](/source/The_University_of_Hong_Kong).

1. **[^](#cite_ref-fisheries_culture_6-0)** ["Marine fish culture, pond fish culture and oyster culture"](https://www.afcd.gov.hk/english/fisheries/fish_aqu/fish_aqu_mpo/fish_aqu_mpo.html). Fisheries Branch. Agriculture, Fisheries and Conservation Department. 12 August 2019. Retrieved 16 December 2019.

1. ^ [***a***](#cite_ref-gradeiii_7-0) [***b***](#cite_ref-gradeiii_7-1) [***c***](#cite_ref-gradeiii_7-2) [Antiquities Advisory Board](/source/Antiquities_Advisory_Board). Historic Building Appraisal. [Tin Hau Temple, Sai O, Kat O](https://www.aab.gov.hk/filemanager/aab/common/historicbuilding/en/974_Appraisal_En.pdf)

1. ^ [***a***](#cite_ref-Rhoda_8-0) [***b***](#cite_ref-Rhoda_8-1) [HKFP Venture: Kat O, Hong Kong’s forgotten island – once its international gateway](https://hongkongfp.com/2020/09/06/hkfp-venture-kat-o-hong-kongs-forgotten-island-once-its-international-gateway/), HKFP, by Rhoda Kwan. 6 Sept 2020

1. **[^](#cite_ref-9)** ["Welcome to 18 Districts - North District"](https://web.archive.org/web/20131203082146/http://www.gohk.gov.hk/text/eng/welcome/north_spots.html). Archived from [the original](http://www.gohk.gov.hk/text/eng/welcome/north_spots.html) on 2013-12-03. Retrieved 2013-11-23.

1. **[^](#cite_ref-10)** [Antiquities Advisory Board](/source/Antiquities_Advisory_Board). [List of the 1,444 Historic Buildings with Assessment Results](https://www.aab.gov.hk/filemanager/aab/en/content_29/AAB-SM-chi.pdf)

1. ^ [***a***](#cite_ref-factfile_11-0) [***b***](#cite_ref-factfile_11-1) ["Crooked Island"](https://web.archive.org/web/20160304085922/http://www.hktrampers.com/FactFile/CrookedIsland/). 2016-03-04. Archived from [the original](http://www.hktrampers.com/FactFile/CrookedIsland/) on 2016-03-04. Retrieved 2019-05-10.

1. **[^](#cite_ref-12)** [Agriculture, Fisheries and Conservation Department: Plover Cove Country Park](http://www.afcd.gov.hk/english/country/cou_vis/cou_vis_cou/cou_vis_cou_pc/cou_vis_cou_pc.html) [Archived](https://web.archive.org/web/20130929084031/http://www.afcd.gov.hk/english/country/cou_vis/cou_vis_cou/cou_vis_cou_pc/cou_vis_cou_pc.html) 2013-09-29 at the [Wayback Machine](/source/Wayback_Machine)

1. **[^](#cite_ref-13)** [*Time Out* Hong Kong](/source/Time_Out_(magazine)): ["Secret Hong Kong islands"](http://www.timeout.com.hk/around-town/features/66009/secret-hong-kong-islands.html) [Archived](https://web.archive.org/web/20140905010706/http://www.timeout.com.hk/around-town/features/66009/secret-hong-kong-islands.html) 2014-09-05 at the [Wayback Machine](/source/Wayback_Machine), 29 Apr 2014

1. **[^](#cite_ref-14)** Hong Kong Geopark: [Kat O Geoheritage Centre](http://www.geopark.gov.hk/en_s2f3.htm)

## Further reading

- Choi, C.C. (1990). ["Studies on Hong Kong Jiao Festivals"](https://hkjo.lib.hku.hk/archive/files/6961e3917fbbd2702e62721f4604d7d8.pdf) (PDF). *Journal of the [Royal Asiatic Society Hong Kong Branch](/source/Royal_Asiatic_Society_Hong_Kong_Branch)*. **30**: 26–43. [ISSN](/source/ISSN_(identifier)) [1991-7295](https://search.worldcat.org/issn/1991-7295).[*[permanent dead link](https://en.wikipedia.org/wiki/Wikipedia:Link_rot)*]

## External links

Wikimedia Commons has media related to [Crooked Island, Hong Kong](https://commons.wikimedia.org/wiki/Category:Crooked_Island,_Hong_Kong).

- [Delineation of area of existing village Kat O (Sha Tau Kok) for election of resident representative (2019 to 2022)](https://www.had.gov.hk/rre/images/village_map1922/N/n-stk-37.pdf)

- [Kut-O Chinese Association (Kent area) Website](http://www.kut-o.com/)

- Pictures of Kat O: [\[1\]](http://www.kut-o.com/archive.htm), [\[2\]](http://thaiworldview.com/hongkong/outerisland/kat%20o.htm)

- Hong Kong Geopark: ["Lee Yuk Ying Introduces the Cultural History of Kat O to Visitors"](http://www.geopark.gov.hk/en_s3fk.htm).

- [Webpage about Kat O](http://www.hktrampers.com/FactFile/CrookedIsland/) [Archived](https://web.archive.org/web/20160304085922/http://www.hktrampers.com/FactFile/CrookedIsland/) 2016-03-04 at the [Wayback Machine](/source/Wayback_Machine)

- [Antiquities Advisory Board](/source/Antiquities_Advisory_Board). [Pictures of Tin Hau Temple, Sai O, Kat O](https://www.aab.gov.hk/filemanager/aab/common/historicbuilding/photo/974_Photo.pdf)

- [How to visit two of Hong Kong's most remote islands in one day](https://edition.cnn.com/travel/article/ap-chau-kat-o-hong-kong-cmd/index.html) CNN.com

v t e North District, Hong Kong History Death of Luo Changqing Areas Fanling-Sheung Shui New Town Fanling Sheung Shui Public housing estates in Fanling Public housing estates in Sheung Shui Wo Hop Shek Kam Tsin Lo Wu Man Kam To Sha Tau Kok Ta Kwu Ling Ping Che Landmarks Fanling Wai Fung Ying Seen Koon Hong Kong Golf Club Fanling Lodge Lo Wu Bridge Lo Wu Correctional Institution Sandy Ridge Cemetery Tang Chung Ling Ancestral Hall Wo Hop Shek Public Cemetery Gallant Garden Border crossings Lo Wu Man Kam To Sha Tau Kok MTR stations Fanling Sheung Shui Lo Wu Islands A Chau Ap Chau Mei Pak Tun Pai Ap Chau Pak Tun Pai Ap Chau (Robinson Island) Ap Lo Chun Ap Tan Pai Ap Tau Pai Chap Mo Chau Cheung Shek Tsui Fu Wong Chau Fun Chau Hung Pai Kat O Chau (Crooked Island) Ko Pai Kok Tai Pai Lan Shuen Pei Lo Chi Pai Ngo Mei Chau (Crescent Island) Pak Ka Chau Pak Sha Chau (Round Island) Pat Ka Chau Sai Ap Chau Sha Pai Shau Kei Pai Sheung Pai Shui Cham Tsui Pai Siu Nim Chau Ta Ho Pai Tai Nim Chau Tsing Chau Wong Nai Chau Wong Nai Chau Wong Wan Chau (Double Island) Wu Chau Wu Pai Wu Yeung Chau Pai Yan Chau Yeung Chau Education Fanling Public School Sheung Shui Government Secondary School Tin Ka Ping Secondary School TWGH Kap Yan Directors' College TWGH Li Ka Shing College This list is incomplete.

v t e Major islands of Hong Kong By area Lantau Island Hong Kong Island Lamma Island Chek Lap Kok Tsing Yi Kau Sai Chau Leung Shuen Wan Po Toi Islands Po Toi Waglan Cheung Chau Tung Lung Chau Crooked Island Double Island Hei Ling Chau Kau Yi Chau Ap Lei Chau Soko Islands Tai A Chau Siu A Chau Ping Chau Peng Chau Ma Wan Ninepin Group Tap Mun The Brothers Green Island Centre Island, Hong Kong Kowloon Rock Former islands Kellett Island Stonecutters Island Hoi Sham Island Channel Rock Pillar Island Mong Chau Chau Tsai Nga Ying Chau Lam Chau Rumsey Rock High Island Yuen Chau Tsai

[22°32′28″N 114°17′43.9″E / 22.54111°N 114.295528°E / 22.54111; 114.295528](https://geohack.toolforge.org/geohack.php?pagename=Kat_O&params=22_32_28_N_114_17_43.9_E_type:isle)

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Adapted from the Wikipedia article [Kat O](https://en.wikipedia.org/wiki/Kat_O) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Kat_O?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.