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 ( cy, Clwb Pêl-droed y Bala) is a Welsh football team from Bala, Gwynedd, who play in the Cymru Premier. They play their home games at Maes Tegid. History For a full history see; '' List of Bala Town FC seasons'' Al ...

as 2008–09 Champions were promoted to the Welsh Premier League with Caernarfon Town replacing them. Berriew were promoted from Mid Wales League, 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 The Welsh National League (Wrexham Area) was a football league in Wales and operated at level 3 and 4 of the Welsh football league system in Flintshire and Wrexham County Borough, but with some teams from Denbighshire (Corwen and Llangollen Town) ...

. Llandyrnog United were relegated to the

Mynydd Isa Mynydd Isa (; cy, Mynyddisa) 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 cen ...

and

Glantraeth Glantraeth Football Club ( cy, Clwb Pêl Droed Glantraeth) is a football team, based on the island of Anglesey, Wales. They play in the North Wales Coast West Football League Premier Division (part of the Welsh football league system). Formed in ...

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