| Season | 1999–2000 |
|---|---|
| Champions | Oswestry Town |
| Relegated | Corwen Amateurs |
|
← 1998–99
2000–01 →
|
|
The 1999–2000 Cymru Alliance was the tenth season of the Cymru Alliance after its establishment in 1990. The league was won by Oswestry Town.
Source: Cymru Alliance
Rules for classification: 1) points; 2) goal difference; 3) number of goals scored
*Denbigh Town deducted 3 points
(C) = Champion; (R) = Relegated; (P) = Promoted; (E) = Eliminated; (O) = Play-off winner; (A) = Advances to a further round.
Only applicable when the season is not finished:
(Q) = Qualified to the phase of tournament indicated; (TQ) = Qualified to tournament, but not yet to the particular phase indicated; (RQ) = Qualified to the relegation tournament indicated; (DQ) = Disqualified from tournament.