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| Abbreviation | SUI |
|---|---|
| Formation | 1964 |
| Purpose | Speleology, representation of cavers, training, conservation, access, expedition funding. |
Region served | Northern Ireland Republic of Ireland |
Main organ | Committee |
| Affiliations | Irish Cave Rescue Organisation |
| Website | caving |
The Speleological Union of Ireland (SUI) is the official representative body of cavers in Ireland, both in the Republic of Ireland and in Northern Ireland. It is affiliated with the Irish Cave Rescue Organisation.