| Show Records for Pyrenean Mountain Dogs - 1990 |
| Date | Show | Type | Judge |
| 11-Feb | Crufts | (Championship Show) | Jenny Hamilton-Jackson |
| 25-Mar | SE PMDC | (Championship Show) | Harry Jordan |
| 14-Apr | Working Breeds of Wales | (Championship Show) | Ivor Thick |
| 16-Apr | NE PMDC | (Open Show) | Unknown |
| 27-Apr | WELKS | (Championship Show) | Graham Alcock |
| 06-May | Birmingham National | (Championship Show) | Nancy Richardson |
| 13-May | SE PMDC | (Open Show) | Marie Budd |
| 18-May | SKC | (Championship Show) | Terry Thorn |
| 27-May | Bath | (Championship Show) | Beryl Lord |
| 03-Jun | Southern Counties | (Championship Show) | Yvonne Sydenham-Clarke |
| 14-Jun | Three Counties | (Championship Show) | Steve Hall |
| 16-Jun | Border Union | (Championship Show) | Andrew Brace |
| 24-Jun | Blackpool | (Championship Show) | John Banbury |
| 01-Jul | Windsor | (Championship Show) | Hilda Carlin |
| 08-Jul | South Wales Kennel Association | (Championship Show) | Brenda Judson |
| 11-Jul | Paignton | (Championship Show) | Peter Gilbert |
| 14-Jul | National Working Breeds | (Championship Show) | Terry Quinn |
| 19-Jul | East of England | (Championship Show) | Ellis Hulme |
| 22-Jul | Leeds | (Championship Show) | Lorna Ireland |
| 29-Jul | PMDC of GB | (Championship Show) | Ann Arch |
| 10-Aug | Bournemouth | (Championship Show) | Liz Cartledge |
| 18-Aug | Welsh Kennel Club | (Championship Show) | Ian Spencer-Brown |
| 25-Aug | SKC | (Championship Show) | Ben Raven |
| 29-Aug | Leicester | (Championship Show) | Jean Lanning |
| 31-Aug | City of Birmingham | (Championship Show) | Jack Richards |
| 09-Sep | Richmond | (Championship Show) | Bob Townsend |
| 16-Sep | Darlington | (Championship Show) | Ken Sayers |
| 22-Sep | Belfast | (Championship Show) | Mary Murphy |
| 22-Sep | PMDC of GB | (Open Show) | Pat Brown |
| 30-Sep | Manchester | (Championship Show) | Joan Leonard |
| 07-Oct | PMDC of Scotland | (Championship Show) | Sam Pascoe |
| 07-Oct | SE PMDC | (Open Show) | Ron Hewitt |
| 21-Oct | NE PMDC | (Championship Show) | John James |
| 25-Oct | Midland Counties | (Championship Show) | Keith Savage |
| 03-Nov | Working Breeds of Scotland | (Championship Show) | Albert Wight |
| 08-Dec | LKA | (Championship Show) | Ferelith Somerfield |