If you have 24 hours to spend in Northumberland, here are some suggestions:
1. Visit Alnwick Castle: This castle was used as a filming location for Harry Potter and offers beautiful gardens to explore. Allow around 3-4 hours to fully explore the castle and gardens.
2. Walk along Hadrian's Wall: This historic wall was built by the Romans and offers stunning views of the surrounding area. You can walk short sections or do longer hikes. Allow at least 2-3 hours for a short walk or up to a full day for a longer one.
3. Explore the Farne Islands: These islands are home to wildlife such as puffins and seals. Take a boat tour from Seahouses to see them up close. The tour takes around 2-3 hours.
4. Visit Bamburgh Castle: This castle is located on a beautiful stretch of beach and offers great views. Allow around 2-3 hours to explore the castle and the surrounding town.
5. See the Holy Island of Lindisfarne: This island is only accessible by a causeway at low tide, so check the tide times before you go. There is a castle and a priory to explore. Allow around 3-4 hours to explore the island.
There are many other things to see and do in Northumberland, but these are some of the highlights. Have a great time exploring this beautiful county!