If you have 6 hours to spend in Mendip, there are several things you can do:
1. Visit Wookey Hole Caves. This popular tourist attraction is located in the village of Wookey and takes about 2 hours to explore. You can see impressive stalactites and stalagmites, underground rivers, and learn about the history of the caves.
2. Go on a walk at Cheddar Gorge, which is located about 9 miles from Mendip. There are several trails of varying lengths and difficulties with stunning views of the gorge. This can take anywhere from 1-4 hours depending on the trail you choose.
3. Visit the Fleet Air Arm Museum in Yeovil, which is located about 20 miles from Mendip. The museum showcases aircraft used by the Royal Navy over the years, including historic planes and helicopters. Plan to spend at least 2 hours here.
4. Take a tour of Wells Cathedral. This stunning medieval cathedral is located in the city of Wells and is about a 30-minute drive from Mendip. Plan to spend about 1-2 hours exploring the cathedral and its grounds.
5. Go shopping in the city of Bath, located about 20 miles from Mendip. Bath has a variety of shops, restaurants, and cafes to explore. Plan to spend at least 2-3 hours here.
Overall, there are many options for things to do in the Mendip area depending on your interests. It's up to you to decide which activities you want to prioritize during your half-day visit.