The event, organised by the Elan Valley Dark Sky Team, is scheduled to take place from August 19 to August 21. In addition to the planetarium, the Elan Valley is offering its popular Dam Open Days at Pen y Garreg Dam every Tuesday throughout August. Visitors can also enjoy the Elan Valley trails, an adventure playground, and a café. For information about weddings at Elan Valley, visit elan-valley.co.uk/elan-valley-wedding-venue-mid-wales. Those interested in booking Pen y Garreg Dam for a wedding ceremony can contact the Elan Valley team at Elanweddings@dwrcymru.com.