Canyoning!

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Across
  1. 4. Our favourite NSW Girl Guides property
  2. 5. Tightly fitting, provides warmth and buoyancy
  3. 7. They come in brown, black, and Tiger
  4. 9. Tied at the end of a rope to serve as a weight or an anchor
  5. 10. Chlorine tablets kill this microbe in fresh water
  6. 11. Butterfly
Down
  1. 1. Its a river AND a canyon!
  2. 2. Never go canyoning or caving without one
  3. 3. Inspect for damage prior to every use
  4. 6. Do not leave these at home or you will be hungry
  5. 8. We are one, but we are many