| Season | 2009–10 |
|---|---|
| Dates | 15 August 2009 – 15 May 2010 |
| Champions | Rhydymwyn |
| Relegated | Blaenau Ffestiniog Amateur, Llandyrnog United, Nantlle Vale, Amlwch Town & Halkyn United |
| Matches played | 240 |
| Goals scored | 971 (4.05 per match) |
| Biggest home win | Rhydymwyn 11–0 Amlwch Town (5 December 2009) |
| Biggest away win | Halkyn United 1–12 Llandudno Junction (3 May 2010) |
| Highest scoring | Halkyn United 1–12 Llandudno Junction (3 May 2010) |
← 2008–09 2010–11 → | |
The 2009–10 Welsh Alliance League, known as the design2print Welsh Alliance League for sponsorship reasons, is the 26th season of the Welsh Alliance League, which is in the third level of the Welsh football pyramid.
The league consists of sixteen teams with the champions promoted to the Cymru Alliance and the bottom five relegated to Division 2.
The season began on 15 August 2009 and concluded on 15 May 2010 with Rhydymwyn as champions and promoted to the Cymru Alliance. Blaenau Ffestiniog Amateur, Llandyrnog United, Nantlle Vale, Amlwch Town and Halkyn United were relegated to the newly formed Welsh Alliance League Division 2.
Bethesda Athletic were champions in the previous season and were promoted to the Cymru Alliance. They were replaced by Gwynedd League champions Blaenau Ffestiniog Amateur and Llandyrnog United who were relegated from the Cymru Alliance.
| Team | Location | Ground |
|---|---|---|
| Amlwch Town | Amlwch | Lôn Bach |
| Barmouth & Dyffryn United | Barmouth | Wern Mynach |
| Blaenau Ffestiniog Amateur | Blaenau Ffestiniog | Cae Clyd |
| Conwy United | Conwy | Y Morfa Stadium |
| Glan Conwy | Glan Conwy | Cae Ffwt |
| Halkyn United | Halkyn | Pant Newydd |
| Holywell Town | Holywell | Halkyn Road |
| Llanberis | Llanberis | Ffordd Padarn |
| Llandudno Junction F.C. | Llandudno Junction | Arriva Ground |
| Llandyrnog United | Llandyrnog | Cae Nant |
| Llanrug United | Llanrug | Eithin Duon |
| Llanrwst United | Llanrwst | Gwydir Park |
| Nantlle Vale | Penygroes | Maes Dulyn |
| Nefyn United | Nefyn | Cae'r Delyn |
| Pwllheli | Pwllheli | Leisure Centre, Recreation Road |
| Rhydymwyn | Rhydymwyn | Dolfechlas Road |
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Promotion or relegation |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Rhydymwyn (C, P) | 30 | 21 | 4 | 5 | 81 | 30 | +51 | 67 | Promotion to Cymru Alliance |
| 2 | Glan Conwy | 30 | 20 | 3 | 7 | 88 | 53 | +35 | 63 | |
| 3 | Llandudno Junction | 30 | 17 | 6 | 7 | 83 | 37 | +46 | 57 | |
| 4 | Barmouth & Dyffryn United | 30 | 17 | 5 | 8 | 66 | 38 | +28 | 56 | |
| 5 | Pwllheli | 30 | 15 | 7 | 8 | 73 | 37 | +36 | 52 | |
| 6 | Conwy United[a] | 30 | 14 | 11 | 5 | 71 | 36 | +35 | 50 | |
| 7 | Llanrwst United | 30 | 14 | 7 | 9 | 53 | 44 | +9 | 49 | |
| 8 | Llanrug United | 30 | 14 | 6 | 10 | 65 | 51 | +14 | 48 | |
| 9 | Llanberis | 30 | 13 | 8 | 9 | 74 | 64 | +10 | 47 | |
| 10 | Holywell Town | 30 | 13 | 7 | 10 | 72 | 43 | +29 | 46 | |
| 11 | Nefyn United | 30 | 12 | 5 | 13 | 50 | 60 | −10 | 41 | |
| 12 | Blaenau Ffestiniog Amateur (R) | 30 | 10 | 3 | 17 | 62 | 77 | −15 | 33 | Relegation to Division 2 |
| 13 | Llandyrnog United (R) | 30 | 7 | 7 | 16 | 42 | 66 | −24 | 28 | |
| 14 | Nantlle Vale (R) | 30 | 3 | 4 | 23 | 28 | 100 | −72 | 13 | |
| 15 | Amlwch Town (R) | 30 | 4 | 1 | 25 | 30 | 116 | −86 | 13 | |
| 16 | Halkyn United[b] (R) | 30 | 3 | 2 | 25 | 37 | 123 | −86 | 8 |
| Home \ Away | AML | BDU | BFA | CON | GLC | HAL | HOL | LNB | LNJ | LLD | LRU | LRW | NAN | NEF | PWL | RHY |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Amlwch Town | — | 0–4 | 0–3 | 1–5 | 0–2 | 5–1 | 2–5 | 3–2 | 0–5 | 1–7 | 1–2 | 0–5 | 4–1 | 0–1 | 0–5 | 0–3 |
| Barmouth & Dyffryn United | 2–0 | — | 1–2 | 4–2 | 2–4 | 4–0 | 1–1 | 5–0 | 1–2 | 5–0 | 2–1 | 3–0 | 2–1 | 0–0 | 1–1 | 1–3 |
| Blaenau Ffestiniog Amateur | 5–1 | 0–2 | — | 0–3 | 3–3 | 3–1 | 1–3 | 4–2 | 0–1 | 2–4 | 3–4 | 2–0 | 8–2 | 1–1 | 1–5 | 3–6 |
| Conwy United | 5–0 | 0–0 | 4–0 | — | 0–1 | 5–2 | 4–1 | 2–2 | 0–1 | 3–2 | 2–2 | 2–1 | 0–0 | 0–1 | 2–1 | 1–1 |
| Glan Conwy | 3–1 | 3–4 | 5–3 | 2–3 | — | 9–1 | 3–2 | 2–2 | 2–1 | 6–0 | 3–4 | 3–1 | 6–2 | 4–2 | 3–2 | 0–2 |
| Halkyn United | 4–1 | 0–4 | 3–4 | 1–3 | 1–2 | — | 1–5 | 3–3 | 1–12 | 2–3 | 3–4 | 0–2 | 3–0 | 3–1 | 0–5 | 1–1 |
| Holywell Town | 3–2 | 3–1 | 5–0 | 0–0 | 1–2 | 10–0 | — | 0–1 | 4–1 | 1–1 | 1–1 | 4–3 | 4–1 | 5–0 | 2–2 | 0–1 |
| Llanberis | 3–0 | 3–2 | 4–1 | 3–3 | 1–3 | 8–1 | 3–2 | — | 0–6 | 3–2 | 4–2 | 1–2 | 3–1 | 1–3 | 4–1 | 2–6 |
| Llandudno Junction | 7–0 | 3–1 | 4–3 | 2–2 | 2–0 | 7–0 | 4–1 | 0–0 | — | 3–1 | 1–2 | 0–0 | 4–4 | 3–1 | 2–2 | 1–3 |
| Llandyrnog United | 1–2 | 0–1 | 1–1 | 0–5 | 0–2 | 2–1 | 1–1 | 1–1 | 1–0 | — | 0–2 | 1–1 | 0–3 | 3–4 | 2–2 | 2–1 |
| Llanrug United | 6–1 | 1–3 | 4–0 | 2–2 | 1–3 | 4–2 | 1–3 | 2–2 | 1–2 | 4–0 | — | 3–0 | 5–0 | 0–1 | 0–4 | 1–2 |
| Llanrwst United | 3–2 | 1–1 | 1–0 | 2–2 | 2–0 | 5–0 | 2–1 | 2–2 | 2–1 | 2–1 | 2–2 | — | 3–0 | 2–1 | 1–3 | 0–3 |
| Nantlle Vale | 3–3 | 0–1 | 0–5 | 1–5 | 0–4 | 3–1 | 0–2 | 1–8 | 1–3 | 2–1 | 0–2 | 1–1 | — | 1–2 | 0–5 | 0–7 |
| Nefyn United | 4–0 | 3–4 | 4–0 | 0–5 | 2–2 | 3–1 | 1–0 | 1–4 | 2–2 | 2–3 | 1–1 | 3–4 | 2–0 | — | 2–4 | 2–0 |
| Pwllheli | 5–0 | 1–3 | 2–0 | 0–0 | 3–5 | 4–0 | 2–1 | 3–0 | 0–2 | 0–0 | 0–1 | 1–3 | 3–0 | 4–0 | — | 3–2 |
| Rhydymwyn | 11–0 | 3–1 | 1–4 | 3–1 | 5–1 | 1–0 | 1–1 | 0–2 | 2–1 | 3–2 | 3–0 | 1–0 | 3–0 | 3–0 | 0–0 | — |
