Big Summer 2026
BIG Summer is returning to Welwyn Hatfield from the 27 July - 16 August.
There will be lots of fun activities available for children, teenagers and families to take part in.
From trying a new sport and exploring the outdoors to unleashing creativity, there is something for everyone.
To find out more or to register your activity to be part of Big Summer: https://one.welhat.gov.uk/whats/big-summer