Updated
Lough Cullin (Irish: Loch Cuilinn, meaning 'holly lake') is a lake in County Mayo in Ireland. With its immediate neighbour to the north, Lough Conn, it is connected to the Atlantic by the River Moy. Lough Cullin is noted for its trout and salmon fishing.
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Weather at Lough Cullin
44°F, Patchy rain nearby · H 51° / L 43° · 75% chance of rain3-day forecast
H: 51° L: 43°
Patchy rain nearby

44°
|
Feels like 35°
Precipitation
75%
Humidity
83%
Wind
23 mph
UV Index
0
Weather notes:
🏄Good for surfing/sailing🌧️Rain expected
12 AM

46°
3 AM

44°
6 AM

44°
9 AM

46°
12 PM

49°
3 PM

50°
6 PM

46°
9 PM

44°
Frequently asked questions
- Where is Lough Cullin?
- Lough Cullin is a lake in Connacht.
- Can you swim at Lough Cullin?
- There is no fixed answer for Lough Cullin: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Lough Cullin in Connacht. Check current water conditions before you go, and follow posted signs and local guidance.
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Location & Contact
Connacht
🏞️ Best times & visiting tips
- ›Check for boat launch facilities and fees
- ›Obtain required fishing licenses before arrival
- ›Be aware of lake-specific regulations and restrictions
- ›Monitor water quality reports before swimming
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