# Hoi Ha Wan

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{{Short description|Bay in a marine park in Hong Kong}}
{{Use dmy dates|date=August 2019}}
thumb|Hoi Ha Wan.
thumb|Hoi Ha Wan.
[[File:HK WanTsaiPeninsula.JPG|thumb|[Wan Tsai](/source/Wan_Tsai) peninsula bordering Hoi Ha Wan.]]
'''Hoi Ha Wan''' ({{zh|t=海下灣}}) or '''Jone's Cove''' is a bay at the north of [Sai Kung Peninsula](/source/Sai_Kung_Peninsula). It is part of '''Hoi Ha Wan Marine Park''', a [marine park](/source/Marine_parks_in_Hong_Kong) in Hong Kong. The village of [Hoi Ha](/source/Hoi_Ha) is located on the innermost shore of Hoi Ha Wan.

The location has a high biological value, as it shows significant [biodiversity](/source/biodiversity). That is because the Park is a sheltered bay with pristine water quality, so that it provides a good marine environment for housing a great variety of marine organisms. Numerous kinds of [coral](/source/coral)s can be ascertained under the sea, and it is a hot spot for [diving](/source/scuba_diving).{{cn|date=August 2024}} So as to keep the local [ecosystem](/source/ecosystem)s away from human intervention, fishing, particularly [bottom trawling](/source/bottom_trawling) and uses of [dynamite](/source/dynamite)s or [poison](/source/poison)s like [cyanide](/source/cyanide)s, collecting sea products and corals are prohibited by law.
{{TOC limit|2}}

==Geography==
Covering an area of around {{convert|2.6|km2}}, the seaward boundary of the park is demarcated by linking the tips of [Heung Lo Kok](/source/Heung_Lo_Kok) and [Kwun Tsoi Kok](/source/Kwun_Tsoi_Kok) through the northern end of [Flat Island](/source/Flat_Island_(Hong_Kong)) (Ngan Chau) and Moon Island ([Mo Chau](/source/Mo_Chau)).<ref name=":0">{{Cite web|title=Designated Marine Parks and Marine Reserve|url=https://www.afcd.gov.hk/english/country/cou_vis/cou_vis_mar/cou_vis_mar_des/cou_vis_mar_des_hoi.html|website=www.afcd.gov.hk|access-date=2025-11-29|language=en}}</ref> The landward boundary follows the high-water mark along the coastline.<ref>{{Cite web|title=Marine Water Quality Monitoring {{!}} Environmental Protection Department|url=https://www.epd.gov.hk/epd/english/environmentinhk/water/hkwqrc/map/hoihawan.html|website=www.epd.gov.hk|access-date=2025-11-29}}</ref> The [Wan Tsai](/source/Wan_Tsai) peninsula forms the western seashore of Hoi Ha Wan.<ref name=":0" />

==Ecology==
thumb|Jockey Club HSBC WWF Hong Kong Hoi Ha Marine Life Centre in Hoi Ha Wan.
===Mangrove communities===
Like the nursery grounds in [Mai Po](/source/Mai_Po), Hoi Ha Wan also offers a [mangrove](/source/mangrove) community occupying about {{convert|5300|m2}}. Along with a buffer zone between the tidal waters and the land, the mangrove woods are commonly act an ecologically sustainable habitat for juvenile fishes and other [intertidal](/source/intertidal) and [subtidal](/source/subtidal) invertebrates.

===Marine communities===
Hoi Ha Wan Marine Park has lush coral communities. Most of the [stony coral](/source/stony_coral) species recorded in Hong Kong can be found in this marine park. 100-odd species of reef-associated fishes have been recorded in Hoi Ha Wan. In addition, records of wide variety of marine animals, like starfish and jellyfish, in the Park further demonstrates its ecological significance.

[Reef Check](/source/Reef_Check) through AFCD [http://www.afcd.gov.hk/english/conservation/con_mar/con_mar_cor/con_mar_cor_hkrc/con_mar_cor_hkrc.html] performed by local [British Sub-Aqua Club](/source/British_Sub-Aqua_Club) diving enthusiasts 'Ydive' [http://www.ydive.org.hk], and [Li Po Chun United World College](/source/Li_Po_Chun_United_World_College)'s Coral Monitoring Team has annually monitored coral & marine life variety & density since 1992.

=== World Wildlife Fund Marine Life Centre ===
The [Jockey Club](/source/Hong_Kong_Jockey_Club) HSBC [WWF Hong Kong](/source/WWF_Hong_Kong) Hoi Ha Marine Life Centre is based in the marine park and offers students and the community opportunities to appreciate Hong Kong's valuable marine resources. To increase public understanding and participation in biodiversity monitoring [WWF Hong Kong](/source/WWF_Hong_Kong) have been increasingly getting involved in [Citizen Science](/source/Citizen_science),<ref>{{Cite web|title=City Nature Challenge {{!}} WWF Hong Kong|url=https://www.wwf.org.hk/en/your_support/join_our_events/city_nature_challenge_bioblitz/|access-date=2019-07-26|website=www.wwf.org.hk}}</ref> incorporating [iNaturalist](/source/iNaturalist) and the [City Nature Challenge](/source/City_Nature_Challenge) activities into their sites across Hong Kong including Hoi Ha Wan.<ref>{{Cite web|last=robbibradbeer|date=16 April 2018|title=Amateur naturalists to take over Hoi Ha Wan Marine Park on 28 April|url=https://saikungbuzzblog.wordpress.com/2018/04/16/amateur-naturalists-to-take-over-hoi-ha-wan-marine-park-on-april-28/|access-date=2019-07-26|website=Sai Kung Buzz|language=en}}</ref>

==History==
There are also the remnants of [limekiln](/source/limekiln)s. There are total of four lime kilns in Hoi Ha Wan but only two remain comparatively intact. They are located on the eastern shore of inner Hoi Ha Wan. The lime kiln industry was one of the oldest industries (1800–1939) in Hong Kong, which refined lime from either oyster shells or coral skeletons for construction and agricultural uses. In the processes, [limestone](/source/limestone), i.e. [calcium carbonate](/source/calcium_carbonate), in the shells and corals would be transformed into [calcium oxide](/source/calcium_oxide) by means of heating.

==Transport==
[[File:ED9812 New Territories 7 11-07-2020.jpg|thumb|[Green Minibus](/source/Public_light_bus) stop at Hoi Ha.]]
Hoi Ha Wan can be reached by taking the New Territories [Green Minibus](/source/Public_light_bus) route number 7 at [Sai Kung Town](/source/Sai_Kung_Town) Centre. The minibus provides service at daytime every day, every 30 minutes. The first bus leaves from Sai Kung at 7:55{{nbsp}}am, from the bus stop outside the 7-11 convenience store by the pier. The last bus departs from Sai Kung from the same location at 6:25{{nbsp}}pm. The fare from Sai Kung Town to Hoi Ha Wan is [HK$](/source/Hong_Kong_dollar)13.1 as of June 2020.<ref>{{Cite web|title=Transport Department - New Territories GMB Route No. 7|url=https://www.hkemobility.gov.hk/ris_page/get_gmb_detail.php?route_id=2209&lang=EN|access-date=2020-06-08|website=www.hkemobility.gov.hk}}</ref>

==See also==
* [Marine parks in Hong Kong](/source/Marine_parks_in_Hong_Kong)

==References==
{{Reflist}}

==External links==
{{Commons category|Hoi Ha Wan}}
*[http://www.afcd.gov.hk/english/country/cou_vis/cou_vis_mar/cou_vis_mar_des/cou_vis_mar_des_hoi.html Hoi Ha Wan Marine Park, Agriculture, Fisheries and Conservation Department]
*[http://www.afcd.gov.hk/english/conservation/con_mar/con_mar_cor/con_mar_cor_hkrc/con_mar_cor_hkrc.html Hong Kong Reef Check]
*[http://www.wwf.org.hk/eng/hoihawan/ WWF Hong Kong – Hoi Ha Wan]

{{Conservation designations in Hong Kong}}
{{Coord|22|28|10|N|114|20|08|E|display=title|type:waterbody}}

Category:Bays of Hong Kong
Category:Sai Kung North
Category:Marine parks of Hong Kong
Category:Country parks and special areas of Hong Kong
Category:Mangroves
Category:Underwater diving sites in Hong Kong

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