Experience Spooky Dam Open Days on Wednesday 29 and Thursday 30 October. Walk through Penbont Woods, enter Pen y Garreg Dam and claim your Halloween reward on the central platform. The dam will be filled with spooky decorations, sounds, and surprises. Costumes are encouraged! £5 per adult and £2 per under-18 (half the proceeds go to WaterAid).You can choose your 30-minute slot between 1pm and 3:30pm when you book on our website.https://elan-valley.co.uk/events/spooky-dam-open-day/