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Grassholme Observatory
nr Mickleton
County Durham
DL12 0PW
Tel: +44 (0)345 155 0236
OnlineBooking
About
Waterside Parks purpose built observatory, based within the beautiful County Durham countryside, offers you the opportunity to gaze into the vastness and beauty of the universe. Astronomy is a humbling experience, so let us guide you to understand the wonders of planets stars galaxies and beyond.
Grassholme observatory is your one stop destination to the rest of the universe. Using high tech instruments and computers from our wonderful observatory and classroom, Gary and his team will take you on a journey that is simultaneously inspirational educational and accessible for all.
Located at Grassholme Reservoir, near Barnard Castle, bring along the family for a magical evening. You can even make a full night of it by staying nearby at one of the fantastic local accommodation establishments.
To see what events are on offer and the latest information on Covid 19 updates, please visit our website.
Take a virtual tour of Britain’s newest observatory at Grassholme Reservoir in the heart of the Durham Dales, where you’ll find some of the UK’s most spectacular dark skies.
Book Tickets
Awards
- Regional and Miscellaneous
Dark Sky Friendly Durham 2020 - Regional and Miscellaneous
TripAdvisor Travellers Choice Awards 2025 2025
TripAdvisor
Access Information
Opening Times
| 2026 (1 Jan 2026 - 31 Dec 2026) |
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* General Opening Text
Highlights...
Friday, 23rd October 2026 - Friday, 23rd October 2026
Saturday, 31st October 2026 - Saturday, 31st October 2026
Saturn - Lord of the Rings - North Pennines Star Gazing FestivalSaturn – the enigmatic ringed beauty is by far most people's favourite – if you haven't looked through a telescope at Saturn then do not miss this opportunity to do so. With its glorious ring system dazzling the observer it is a veritable observing feast.- more info
Saturday, 31st October 2026 - Saturday, 31st October 2026
Family Astronomy - North Pennines Star Gazing FestivalThis is a great way to get children interested in astronomy and science. They will enjoy an interactive talk in the classroom and then will be able to see and touch rocks from space – meteorites. A stunning interactive talk on space stuff in the purpose-built classroom and then weather permitting…- more info
Wednesday, 21st October 2026 - Thursday, 22nd October 2026
Saturday, 24th October 2026 - Saturday, 24th October 2026
Thursday, 29th October 2026 - Friday, 30th October 2026
Astronomy and Stargazing - North Pennines Star Gazing FestivalThe event at Grassholme Observatory, will begin with a welcome from the lead astronomer, Gary Fildes. Gary is a very experienced science communicator and astronomer, and founder of the Kielder Observatory, where he was Director and CEO for over 11 years.- more info
Sunday, 18th October 2026 - Sunday, 18th October 2026
Aurora Night - North Pennines Star Gazing FestivalAfter the welcome Gary, and the team, will take you on a whistle-stop tour of the Universe. Following this, you will be split into groups and, weather depending, start observing the sky, with telescopes and cameras. On certain nights throughout the year, it is possible to see the Aurora Borealis…- more info
Saturday, 17th October 2026 - Saturday, 17th October 2026
Dark Sky Astronomy and Stargazing - North Pennines Star Gazing FestivalA welcome from the lead astronomer at Grassholme Observatory, Gary Fildes. Gary is a very experienced science communicator and astronomer, and founder of the Kielder Observatory, where he was Director and CEO for over 11 years. After the welcome Gary will take you on a whistle-stop tour of the…- more info
Friday, 16th October 2026 - Friday, 16th October 2026
Experience Our Milky Way - North Pennines Star Gazing FestivalJoin the Grassholme Observatory team beneath the dark skies of Grassholme Observatory on Friday 16 October 2026, 8pm to 11pm, for an unforgettable evening exploring one of nature's greatest spectacles – the Milky Way.- more info


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