1989–90 Courage Area League South
The 1989–90 Courage Area League South was the third full season of rugby union within the fourth tier of the English league system, currently known as National League 2 South, and counterpart to Courage Area League North came second, one point behind, and were the only team to defeat the champions. Only one team, Salisbury was relegated and they will play in South West Division One next season.
Structure
Each team played one match against each of the other teams, playing a total of ten matches each. The champions are promoted to National Division 3 and the bottom team are relegated to either London Division One or South West One depending on their locality.Participating teams and locations
| Team | Ground | Capacity | City/Area | Previous season |
| Basingstoke | Down Grange | 2,500 | Basingstoke, Hampshire | Promoted from London 1 |
| Camborne | Recreation Ground | 9,000 | Camborne, Cornwall | 3rd |
| Cheltenham | Prince of Wales | 2,000 | Cheltenham, Gloucestershire | 6th |
| Clifton | Station Road | 2,500 | Cribbs Causeway, Henbury, Bristol | Promoted from South West 1 |
| Havant | Hook's Lane | 1,500 | Havant, Hampshire | 2nd |
| Maidstone | William Davey Memorial | Maidstone, Kent | Relegated from National 3 | |
| Metropolitan Police | Imber Court | East Molesey, Surrey | Relegated from National 3 | |
| Redruth | Recreation Ground | 12,000 | Redruth, Cornwall | 4th |
| Salisbury | Castle Road | 1,500 | Salisbury, Wiltshire | 7th |
| Southend | Warners Park | Southend, Essex | 8th | |
| Sudbury | Moorsfield | Sudbury, Suffolk | 5th |