Which direction should I drive from Kona?

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Across
  1. 5. Subdivision with 14 fissure vents in the 2018 eruption
  2. 6. Beach named for it's tendency to completely vanish overnight
  3. 7. Tallest waterfall in Hawaii
  4. 9. Sport started in Hawaii
  5. 10. Number of letters in the Hawaiian language
  6. 11. Name of the second tallest mountain in Hawaii
Down
  1. 1. Hawaii is the only state that grows this
  2. 2. Name of the only royal palace in the US
  3. 3. Northernmost brewery on the Big Island
  4. 4. Big Island's flower
  5. 8. The road to this Big Island destination was closed indefinitely in Feb 2022