If you only have 6 hours or a half day to spend in Gloucestershire, there are still plenty of things you can do. Here are some suggestions:
The Cathedral is an absolutely stunning building and very historically significant. You can easily spend 2-3 hours admiring the architecture and the art and learning about its history.
The Cotswolds are an area of outstanding natural beauty and are a must-visit if you're in Gloucestershire. There are many quaint villages and walking trails to explore. You could spend hours just driving around and taking in the scenery.
Tewkesbury Abbey is a beautiful medieval building with a rich history. A visit here could easily take 1-2 hours.
The Forest of Dean is a lovely place to go for a walk and get some fresh air. It's a large area, so you might only have time to explore a small section, but it's definitely worth it.
If you're feeling peckish, Gloucestershire has some great food options. There are many traditional English pubs, cafes, and restaurants offering delicious meals. Take your time and enjoy the local cuisine.
Overall, there's plenty to see and do in Gloucestershire even with a limited amount of time. It's all about prioritizing what you want to see and do and making the most of your time in this beautiful county.