Telescopes for beginners | free mobile app

Dolbadarn Castle

Dolbadarn Castle

Pentre Castell, Llanberis, Gwynedd, LL55 4UB

Best time to visit

Public venue - public location used for stargazing events.

Weather forecast

  • 25/04/24

    7° 5%

  • 25/04/24

    5° 6%

  • 26/04/24

    4° 2%

  • 26/04/24

    3° 1%

Weather forecast for Electric Mountain Llanberis (0.4 miles away) updated 25/04/24 at 12:00.

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.

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

Light pollution map of Dolbadarn Castle

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 Thu 25th Apr

Thu 25th Apr

Full Moon
99 % illuminated
Dark from 21:04 to 21:59
Dark for 0h 54m
Moon phase on Fri 26th Apr

Fri 26th Apr

Waning Gibbous
96 % illuminated
Dark from 21:06 to 23:19
Dark for 2h 12m
Moon phase on Sat 27th Apr

Sat 27th Apr

Waning Gibbous
91 % illuminated
Dark from 21:09 to 00:32
Dark for 3h 22m
Moon phase on Sun 28th Apr

Sun 28th Apr

Waning Gibbous
84 % illuminated
Dark from 21:11 to 01:32
Dark for 4h 20m
Moon phase on Mon 29th Apr

Mon 29th Apr

Waning Gibbous
76 % illuminated
Dark from 21:14 to 02:13
Dark for 4h 58m
Moon phase on Tue 30th Apr

Tue 30th Apr

Third Quarter
66 % illuminated
Dark from 21:16 to 02:41
Dark for 5h 24m
Moon phase on Wed 1st May

Wed 1st May

Third Quarter
55 % illuminated
Dark from 21:19 to 03:00
Dark for 5h 40m

Find more dates

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

Calendar

Events nearby

Display nearby events on a calendar

  • Gwynedd Astronomy Society meeting

    Thursday 2nd May 2024 from 19:30pm to 21:00pm

    Treborth Botanic Garden, Gwynedd, LL57 2RQ (7.4 miles away)

    More info

  • Gwynedd Astronomy Society meeting

    Thursday 6th June 2024 from 19:30pm to 21:00pm

    Treborth Botanic Garden, Gwynedd, LL57 2RQ (7.4 miles away)

    More info

  • Gwynedd Astronomy Society meeting

    Thursday 4th July 2024 from 19:30pm to 21:00pm

    Treborth Botanic Garden, Gwynedd, LL57 2RQ (7.4 miles away)

    More info

Stay and gaze nearby

Stay at one of these stargazing-friendly accommodation providers.

  • Cae Du Caravan and Camping Park

    Beddgelert, Gwynedd, Gwynedd, LL55 4NE, North Wales (6.9 miles away)

    Stay & Gaze

    More info

  • Llanfair Hall – Anglesey

    Dwyran, Llanfairpwllgwyngyll, Anglesey, Gwynedd, LL61 6AX (9.7 miles away)

    Stay & Gaze

    More info

  • Snowdonia Glamping Holidays

    Plas yn Rhos, Rhydlanfair, Gwynedd, LL24 0SS (15.5 miles away)

    Stay & Gaze

    More info

  • Llys Ednowain Hostel

    Station Road, Trawsfynydd, Gwynedd, LL41 4UB (16.7 miles away)

    Stay & Gaze

    More info

  • Caban Dan Y Ser (Cabin under the Stars)

    Bronaber, Snowdonia, Gwynedd, LL41 4YB (18.8 miles away)

    Stay & Gaze

    More info

  • Cadair View Lodge Log Cabins

    Trawsfynydd, Snowdonia, Gwynedd, LL41 4YB (19.0 miles away)

    Stay & Gaze

    More info