Public venue - public location used for stargazing events.
Weather forecast
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13/01/25
7° 89% -
13/01/25
8° 86% -
14/01/25
8° 52% -
14/01/25
8° 36%
Weather forecast for Electric Mountain Llanberis (0.4 miles away) updated 12/01/25 at 20:01.
Local light pollution
Dolbadarn Castle is estimated to have light pollution levels similar to arural rural location based on the latest data from the VIIRS satellite.
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Urban
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Suburban
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Semi-rural
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Rural
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Dark site
The above demonstrates the estimated effect of light pollution - graphics created using Stellarium.
Best time to visit
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.
Mon 13th Jan
Tue 14th Jan
Wed 15th Jan
Thu 16th Jan
Fri 17th Jan
Sat 18th Jan
Sun 19th Jan
Find more dates
If you are planning to visit this location check our dark sky calendar to find out when is best!
CalendarEvents nearby
Stay and gaze nearby
Stay at one of these stargazing-friendly accommodation providers.