2021–22 Ardal SW
The 2021-22 Ardal SW season was the first season of the new third-tier northern region football in Welsh football pyramid, part of the Ardal Leagues, after the cancellation of the previous season due to the COVID-19 pandemic in Wales.
Teams
The league was made up of 16 teams competing for one automatic promotion place to Cymru South, whilst the second place team qualified for a play-off with the second-placed team of Ardal SE. Three teams were relegated to Tier 4.Stadia and locations
| Team | Location | Home Ground | Capacity |
| AFC Llwydcoed | Llwydcoed | Welfare Ground | 1,000 |
| AFC Porth | Porth | Dinas Park | 1,200 |
| Caerau | Cardiff | Cwrt-yr-Ala | 1,000 |
| Cardiff Draconians | Cardiff | Riverside Ground | 1,000 |
| Cwmamman United | Glanamman | Grenig Park | 1,500 |
| Dinas Powys | Dinas Powys | The Murch | 1,500 |
| Garden Village | Kingsbridge | Stafford Common | 2,000 |
| Penrhiwceiber Rangers | Penrhiwceiber | Glasbrook Field | 1,000 |
| Penydarren BGC | Penydarren | The Bont Playing Fields | 1,000 |
| Pontardawe Town | Pontardawe | Parc Ynysderw | 1,000 |
| Pontyclun | Pontyclun | Ivor Park | 1,000 |
| Ton Pentre | Ton Pentre | Ynys Park | 2,000 |
| Treharris Athletic | Trelewis | Parc Taff Bargoed | 1,000 |
| West End | Llandarcy | Llandarcy Academy of Sport | 1,000 |
| Ynyshir Albions | Porth | Dinas Park | 1,200 |
| Ynysygerwn | Llandarcy | Llandarcy Academy of Sport | 1,000 |
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