1. Backpack
2. Tent
3. Quilt
4. Pad
5. Water filter
6. Stove
7. Food
8. Mug
9. Socks
10. First aid
11. Poncho

This list assumes I'm somewhere warm and I'll just hike naked. grin The poncho just to keep me dry in event of rain.
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It is one of the blessings of wilderness life that it shows us how few things we need in order to be perfectly happy.-- Horace Kephart