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Photo: Outflow from Selset Reservoir - geograph.org.uk - 673520.jpg via Wikidata Q5597522 License
Grassholme Reservoir
Reservoir
Cool today
Grassholme Reservoir is a large reservoir in County Durham, England. It is situated in Lunedale, which is a side valley of the River Tees, about 2 miles (3.2 km) south of Middleton-in-Teesdale. It supplies water for Teesdale and Teesside and is owned by Northumbrian Water.
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Weather at Grassholme Reservoir
45°F, Light drizzle · H 51° / L 45° · 81% chance of rain3-day forecast
H: 51° L: 45°
Light drizzle

45°
|
Feels like 43°
Precipitation
81%
Humidity
98%
Wind
4 mph
UV Index
0
Weather notes:
🌧️Rain expected
12 AM

48°
3 AM

48°
6 AM

50°
9 AM

49°
12 PM

50°
3 PM

50°
6 PM

47°
9 PM

45°
Frequently asked questions
- Where is Grassholme Reservoir?
- Grassholme Reservoir is a reservoir in North West England.
- Can you swim at Grassholme Reservoir?
- There is no fixed answer for Grassholme Reservoir: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Grassholme Reservoir in North West England. Check current water conditions before you go, and follow posted signs and local guidance.
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Location & Contact
North West England
🏞️ 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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