 | |
| Sport | Rugby league |
|---|---|
| Formerly known as | Group 14 |
| Inaugural season | 1949 |
| Ceased | 1999 |
| Re-formed | 2001 |
| Number of teams | 10 |
| Country | Australia |
| Premiers |  Coolah (2024) |
| Most titles |  Coonamble (18 titles) |
| Website | Castlereagh RL Homepage |
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The Castlereagh League (also known as the Castlereagh Cup and Group 14) is a rugby league competition in western New South Wales, Australia, run under the auspices of the Country Rugby League. For all intents and purposes the competition is effectively the Group 14 Rugby League senior competition, and the league has re-obtained Group status as of 2023, but will not revert to the Group 14 name for branding reasons.