Hi Helen,
You can walk around Hatfield Park, but only between Easter and October for the general public and they'll charge you a small fortune to get in! Us special people have a pass for unrestricted access all year round (sorry

). We were there yesterday and discovered that they are breeding huge amounts of Fallow Deer - much to Callie's huge excitement. Fergal was excited to see everything; bunnies, deer, sheep, cows, people, dogs......
There are some lovely walks around Brocket wood and the golf course. We've been there a few times and also some lovely pubs for Sunday lunch.
Next time, pop in for a cup of tea!
Spring & Sue