Listed as a top ten place to go stargazing in Brecon on the Brecon Beacons National Park website. Photo used with kind permission by Sue Rowland.
Weather forecast
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31/05/26
17° 89% -
31/05/26
16° 50% -
31/05/26
16° 6% -
01/06/26
14° 8%
Weather forecast for Brecon (10.6 miles away) updated 31/05/26 at 12:01. Powered by Met Office data.
Local light pollution
Brecon - Crai Reservoir is estimated to have light pollution levels similar to a dark site location based on the latest data from the VIIRS satellite. For more advanced light pollution data, view this location on DarkSkySites.
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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.
Sun 31st May
Mon 1st Jun
Tue 2nd Jun
Wed 3rd Jun
Thu 4th Jun
Fri 5th Jun
Sat 6th Jun
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.