Telescopes for beginners | free mobile app

Cow Green Reservoir

Cow Green Reservoir

Upper Teesdale, Langdon Beck, County Durham, DL12

Best time to visit

Wonderful remote location to observe equally wonderful dark skies, at an altitude of 480m this location has free car parking all year round.

Cow Green Reservoir is a Dark Sky Discovery Site, an officially recognised place where anyone can stargaze. Most such locations have overnight parking (sometimes with a fee); however, many do not allow overnight camping. There may or may not be toilet facilities.

Weather forecast

  • 17/05/24

    12° 4%

  • 17/05/24

    9° 18%

  • 18/05/24

    9° 18%

  • 18/05/24

    8° 18%

Weather forecast for Viewing Hill (1.9 miles away) updated 16/05/24 at 20:00.

Local light pollution

Cow Green Reservoir is estimated to have light pollution levels similar to adark site dark site location based on the latest data from the VIIRS satellite.

The above demonstrates the estimated effect of light pollution - graphics created using Stellarium.

Light pollution map of Cow Green Reservoir

Best time to visit

The Moon has a big impact on the visibility of celestial bodies in the night sky. Try to plan your stargazing when there is no bright Moon at night as this is when the skies will be at their darkest.

The below chart shows when the skies will be at their darkest at this location and therefore the best time to visit. Moonlight is shown in light yellow and the Sun's twilight in light blue. Midnight on the date shown is shown as a white line with sunset to the left and sunrise the next morning to the right. A black background with stars shows the best times for stargazing. See our dark sky calendar for more details.

Moon phase on Fri 17th May

Fri 17th May

First Quarter
64 % illuminated
NO DARKNESS
Moon phase on Sat 18th May

Sat 18th May

Waxing Gibbous
73 % illuminated
NO DARKNESS
Moon phase on Sun 19th May

Sun 19th May

Waxing Gibbous
81 % illuminated
NO DARKNESS
Moon phase on Mon 20th May

Mon 20th May

Waxing Gibbous
88 % illuminated
NO DARKNESS
Moon phase on Tue 21st May

Tue 21st May

Waxing Gibbous
93 % illuminated
NO DARKNESS
Moon phase on Wed 22nd May

Wed 22nd May

Full Moon
97 % illuminated
NO DARKNESS
Moon phase on Thu 23rd May

Thu 23rd May

Full Moon
100 % illuminated
NO DARKNESS

Find more dates

If you are planning to visit this location check our dark sky calendar to find out when is best!

Calendar

Stay and gaze nearby

Stay at one of these stargazing-friendly accommodation providers.

  • Yore Mill Starfall Apartment – Aysgarth

    Church Bank, Aysgarth, North Yorkshire, DL8 3SR (29.1 miles away)

    Stay & Gaze

    More info

  • The Wensleydale Experience

    Swinithwaite, Leyburn, North Yorkshire, DL8 4UH (29.5 miles away)

    Stay & Gaze

    More info