Plas Tan y Bwlch is the Snowdonia National Park Environmental Studies centre and administered by the National Park Authority. Its location within the boundaries of the Snowdonia Dark Sky Reserve means it benefits from wonderfully dark skies and as such is the venue for stargazing events.
Weather forecast
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02/06/24
10° 1% -
02/06/24
9° 15% -
03/06/24
8° 17% -
03/06/24
8° 17%
Weather forecast for Moelwyn Mawr (2.6 miles away) updated 02/06/24 at 12:00.
Local light pollution
Plas Tan y Bwlch is estimated to have light pollution levels similar to adark site dark site 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.
Sun 2nd Jun
Mon 3rd Jun
Tue 4th Jun
Wed 5th Jun
Thu 6th Jun
Fri 7th Jun
Sat 8th 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.