If you have 6 hours or a half day to spend in Uttlesford, there are plenty of things to do and see to make the most of your time. Here are some suggestions:
Audley End House and Gardens is a historic mansion with beautiful gardens to explore. You can take a tour of the house, which will take around 2 hours, and then spend some time wandering through the gardens. Allow at least another hour for this.
Saffron Walden is a charming market town with lots of history and character. You could spend a few hours wandering through the town's streets, visiting the market square, and seeing the historical landmarks. Allow at least 2-3 hours for this.
Hatfield Forest is a beautiful ancient woodland and a nature reserve with lots of walking trails. You can take a leisurely stroll or a longer hike and spend a few hours enjoying the beauty of the forest. Allow at least 2-3 hours for this activity.
Mountfitchet Castle and Norman Village is a reconstructed castle and village that gives visitors a glimpse of what life was like in medieval times. You can explore the castle and the village, watch a falconry display, and even try your hand at archery. Allow at least 2-3 hours for this activity.
You could also try some local food and drink, browse some shops, or just relax and enjoy the beautiful surroundings. Whatever you choose to do, there's plenty to keep you busy for a half-day in Uttlesford.