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Photo: SilentValley.jpg via Wikidata Q7331694 License
Silent Valley Reservoir
Reservoir
Rainy today
The Silent Valley Reservoir is a reservoir located in the Mourne Mountains near Kilkeel, County Down in Northern Ireland. It supplies most of the water for County Down, surrounding counties and most of Belfast. It is owned and maintained by Northern Ireland Water Limited (formerly DRD Water Service).
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Weather at Silent Valley Reservoir
47°F, Light rain · H 49° / L 39° · 90% chance of rain3-day forecast
H: 49° L: 39°
Light rain

47°
|
Feels like 43°
Precipitation
90%
Humidity
94%
Wind
8 mph
UV Index
0
Weather notes:
🌧️Rain expected
12 AM

49°
3 AM

47°
6 AM

47°
9 AM

46°
12 PM

39°
3 PM

41°
6 PM

43°
9 PM

42°
Frequently asked questions
- Where is Silent Valley Reservoir?
- Silent Valley Reservoir is a reservoir in Northern Ireland.
- Can you swim at Silent Valley Reservoir?
- There is no fixed answer for Silent Valley Reservoir: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Silent Valley Reservoir in Northern Ireland. Check current water conditions before you go, and follow posted signs and local guidance.
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Location & Contact
Northern Ireland
🏞️ 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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