Glashaboy (Lough Mahon) — water body quality
near Carrignavar, Cork
Glashaboy (Lough Mahon) is a river in Cork, near Carrignavar, extending 79.9 km.
Official classification
Good
Assessed 2026
Good ecological status under the Water Framework Directive means the biology and chemistry of this water body depart only slightly from near-natural conditions for its type, which meets the Directive’s environmental objective.
| Stretch | Status |
|---|---|
| Glashaboy (Lough Mahon) | Good |
| Glashaboy (Lough Mahon) | Good |
| Glashaboy (Lough Mahon) | Good |
Overall status reflects the worst stretch (precautionary).
This water body
- Type
- River
- Length
- 79.9 km
- County
- Cork
- Location
- 51.9858, -8.4601
Others in Cork
This page shows water-quality information, not swim-safety advice. For today's conditions and swim-safety guidance, check Water Safety Ireland.