The 2009–10 Cymru Alliance season began on Friday 14 August 2009 and ended on Saturday 8 May 2010. The league was won by Llangefni Town.

Team changes from 2008–09

Bala Town Bala Town Football Club () is a Welsh professional football club from Bala, Gwynedd, who play in the . They play their home games at Maes Tegid. History For a full history see; '' List of Bala Town FC seasons'' Although the current Bala Tow ...

as 2008–09 Champions were promoted to the

Welsh Premier League The Cymru Premier, known as the JD Cymru Premier for sponsorship reasons, is the national football league of Wales. It has both professional and semi-professional status clubs and is at the top of the Welsh football league system. It was found ...

with

Caernarfon Town Caernarfon Town Football Club () is a professional Welsh football club based in Caernarfon, Gwynedd. They play in the . They are nicknamed "the Canaries" because of the club's yellow and green strip, a nickname that dates from 1895. Caernarfon ...

replacing them.

Berriew Berriew () is a village and Community (Wales), community in Montgomeryshire, Powys, Wales. It is on the Montgomeryshire Canal and the Afon Rhiw, near the confluence (Welsh: ''aber'') with the River Severn (Welsh language, Welsh: Hafren, Afon Hafr ...

were promoted from

Mid Wales League The Central Wales Football League ''(formerly the Mid Wales Football League)'' is a football league in Wales at tier four of the Welsh Football pyramid, run by the Central Wales Football Association. The league consists of two regionally based di ...

, Bethesda Athletic were promoted from the

Welsh Alliance League The Welsh Alliance Football League (formerly the ''Lock Stock Welsh Alliance Football League'', for sponsorship reasons) was a football league formed in 1984, and discontinued in 2020 following the reorganisation of the Welsh football pyramid for ...

and Llangollen Town were promoted from the Welsh National League. Llandyrnog United were relegated to the

Mynydd Isa Mynydd Isa (; ) is a village in Flintshire, in north-east Wales. It lies between the county town of Mold, and Buckley (which it is contiguous with) in the community of Argoed which had a population of 5837 according to the 2011 census. Mynydd ...

and

Glantraeth Glantraeth Football Club () is a football team, based on the island of Anglesey, Wales. They play in the . Formed in 1984, the club began competing in the Anglesey League before progressing into the Gwynedd League and the Welsh Alliance League. ...

Glantraeth resign
/ref> both resigned from the league.

League table

Results

References

External links

Cymru Alliance
{{DEFAULTSORT:2009-10 Cymru Alliance Cymru Alliance seasons 2009–10 in Welsh football leagues