1. Tour itinerary
2. Reference materials such as maps, brochures, and guides
3. A first aid kit
4. Bottled water and snacks
5. A flashlight
6. A camera
7. Sunscreen
8. A cell phone
9. Cash or credit card
10. A hat
11. Comfortable shoes
12. An umbrella
13. A whistle
14. A clipboard with a pen
15. An ID badge or other form of identification