West of the River Alver

{{Short description|Nature reserve in Hampshire, England}}

{{Use dmy dates|date=April 2022}}

{{infobox park

| name = West of the River Alver

| photo = View from the top of Junkett Hill (geograph 5997379).jpg

| photo_caption =

| type = Local Nature Reserve

| grid_ref_UK = SU 580 001

| location = Gosport, Hampshire

| area = {{convert|11.6 |ha|acre|abbr=off}}

| manager = Gosport Borough Council

}}

West of the River Alver is an {{convert| 11.6 |ha|acre|abbr=off|adj=on}} Local Nature Reserve in Gosport in Hampshire. It is owned and managed by Gosport Borough Council.{{cite web|url= https://designatedsites.naturalengland.org.uk/SiteLNRDetail.aspx?SiteCode=L1009571&SiteName=&countyCode=19&responsiblePerson=&SeaArea=&IFCAArea=|title=West of the River Alver |series=Local Nature Reserves|publisher=Natural England| accessdate= 27 May 2020}}{{cite web|url= https://magic.defra.gov.uk/MagicMap.aspx?startTopic=Designations&activelayer=lnrIndex&query=Ref_CODE%3D%271009571%27|title=Map of West of the River Alver|series= Local Nature Reserves |publisher=Natural England| accessdate= 27 May 2020}}

This site on the west bank of the River Alver has a reedbed which is one of the largest in England, and which is maintained by annual cutting. There are also three ponds and areas of grassland, some of which are kept short by rabbit grazing. Seventeen species of butterfly have been recorded.