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Photo: Cmglee, CC BY-SA 4.0 via Wikimedia Commons
Lakes open for sailing, canoeing, paddleboarding, rafting and open water swimming in Welwyn Garden City. Open for group bookings, courses and public sessions. Check the website for seasonal opening times.
Stanborough Park, also referred to as Stanborough Lakes is a 126-acre (0.51 km2) park in Welwyn Garden City, Hertfordshire, England.
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A pleasant recreational area offering fishing, boating, swimming as well as wide open spaces for dog walking and sun bathing.
Water-powered flour mill, a three-room local history museum and gardens.
It can be seen from the train. No tours. That's about as much as you can do save walk across the (now listed) footbridge. The Factory closed in 2008.
The attractive avenues of Parkway and Howardsgate are worth a visit, with the coronation fountain at their intersection.
Cinema and theatre. Shows a range of productions and offers a bar serving alcoholic drinks which is open for the duration of the entertainment.