Hayling Billy

{{Short description|UK nature reserve}}

{{about|the nature reserve|the former railway line|Hayling Island branch line}}

{{infobox park

| name = Hayling Billy

| photo = Hayling Island, Langstone Harbour and The Hayling Billy Trail - geograph.org.uk - 148286.jpg

| photo_caption =

| type = Local Nature Reserve

| grid_ref_UK = SU 716 025

| location = Hayling Island, Hampshire

| area = {{convert|42 |ha|acre|abbr=off}}

| manager = Hampshire Countryside Service

}}

Hayling Billy is a {{convert| 42 |ha|acre|abbr=off|adj=on}} Local Nature Reserve on Hayling Island in Hampshire. It is owned by Hampshire County Council and managed by Hampshire Countryside Service.{{cite web|url= https://designatedsites.naturalengland.org.uk/SiteLNRDetail.aspx?SiteCode=L1481385&SiteName=&countyCode=19&responsiblePerson=&SeaArea=&IFCAArea=|title=Hayling Billy |series=Local Nature Reserves|publisher=Natural England| accessdate= 24 May 2020|url-status=live|archive-url=https://web.archive.org/web/20241001134929/https://designatedsites.naturalengland.org.uk/SiteLNRDetail.aspx?SiteCode=L1481385&SiteName=&countyCode=19&responsiblePerson=&SeaArea=&IFCAArea=|archive-date=1 October 2024}}{{cite web|url=https://magic.defra.gov.uk/MagicMap.aspx?startTopic=Designations&activelayer=lnrIndex&query=Ref_CODE%3D%271481385%27 |title=Map of Hayling Billy|series= Local Nature Reserves |publisher=Natural England| accessdate= 24 May 2020}} It is part of Chichester and Langstone Harbours Ramsar site{{cite web |url= https://designatedsites.naturalengland.org.uk/SiteGeneralDetail.aspx?SiteCode=UK11013&SiteName=&countyCode=46&responsiblePerson=&unitId=&SeaArea=&IFCAArea= |title= Designated Sites View: Chichester and Langstone Harbours |series= Ramsar Site |publisher= Natural England |accessdate= 6 April 2019 |archive-url= https://web.archive.org/web/20190401162727/https://designatedsites.naturalengland.org.uk/SiteGeneralDetail.aspx?SiteCode=UK11013&SiteName=&countyCode=46&responsiblePerson=&unitId=&SeaArea=&IFCAArea= |archive-date= 1 April 2019 |url-status= live }} and Special Protection Area,{{cite web |url= https://designatedsites.naturalengland.org.uk/SiteGeneralDetail.aspx?SiteCode=UK9011011&SiteName=&countyCode=46&responsiblePerson=&unitId=&SeaArea=&IFCAArea= |title= Designated Sites View: Chichester and Langstone Harbours |series= Special Protection Areas |publisher= Natural England |accessdate= 6 April 2019 |archive-url= https://web.archive.org/web/20190401162824/https://designatedsites.naturalengland.org.uk/SiteGeneralDetail.aspx?SiteCode=UK9011011&SiteName=&countyCode=46&responsiblePerson=&unitId=&SeaArea=&IFCAArea= |archive-date= 1 April 2019 |url-status= live }} Solent Maritime Special Area of Conservation{{cite web|url= https://designatedsites.naturalengland.org.uk/SiteGeneralDetail.aspx?SiteCode=UK0030059&SiteName=&countyCode=19&responsiblePerson=&unitId=&SeaArea=&IFCAArea= |title=Designated Sites View: Solent Maritime | series= Special Areas of Conservation|publisher=Natural England|accessdate = 23 April 2020}} and Langstone Harbour Site of Special Scientific Interest.{{cite web|url= https://designatedsites.naturalengland.org.uk/SiteDetail.aspx?SiteCode=S1001182&SiteName=&countyCode=19&responsiblePerson=&unitId=&SeaArea=&IFCAArea= |title=Designated Sites View: Langstone Harbour | series= Sites of Special Scientific Interest|publisher=Natural England|accessdate = 27 April 2020}}

This is a footpath along the former Hayling Island branch railway line along the eastern shore of Langstone Harbour between Havant and South Hayling.

{{commons category|Hayling Billy Coastal Path|Hayling Billy}}