Features – Pumice Castle

Pumice Castle – Prominent Geological Features of Crater Lake National Park

#23 on the map – east side of the caldera

pumice-castle
Castle Rock, Crater Lake National Park, photo by Robert Mutch

 Of the many colorful volcanic formations in the walls surrounding Crater Lake, The Pumice Castle, on the east wall, attracts the attention of many visitors.The Pumice Castle is part of an extensive lenticular bed of fragmental pumice outcropping on the crater wall about 1,300 feet above the level of the lake, or 400 feet below the crater rim just south of Cloudcap. The bed of pumice has a maximum thickness of 190 feet … [The Pumice Castle, Nature Notes From Crater Lake, Vol. 11, No. 2, 1938]

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Crater Lake National Park

Prominent Geological Features Map


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  1. Features – Applegate Peak
  2. Features – Bald Crater
  3. Features – Cloudcap
  4. Features – Crater Lake Caldera
  5. Features – Crater Peak
  6. Features – Desert Cone
  7. Features – Devils Backbone
  8. Features – Dutton Cliff
  9. Features – Eagle Crags
  10. Features – Garfield Peak
  11. Features – Godfrey Glen and Colonnades
  12. Features – Grouse Hill
  13. Features – Hillman Peak
  14. Features – Kerr Notch
  15. Features – Llao Rock
  16. Features – Llaos Hallway
  17. Features – Maklaks Crater (Diller Cone)
  18. Features – Mazama Rock
  19. Features – Mount Scott
  20. Features – Palisades
  21. Features – Phantom Ship
  22. Features – The Pinnacles
  23. Features – Pumice Castle
  24. Features – Pumice Desert
  25. Features – Pumice Point
  26. Features – Red Cone
  27. Features – Redcloud Cliff
  28. Features – Rugged Crest
  29. Features – Scoria Cone
  30. Features – Scott Bluff
  31. Features – Sentinel Rock
  32. Features – Skell Head
  33. Features – Sun Notch
  34. Features – Timber Crater
  35. Features – Union Peak
  36. Features – The Watchman
  37. Features – Williams Crater (Forgotten Crater)
  38. Features – Wineglass
  39. Features – Wizard Island

Note: the numbers associated with each feature name above correspond to their place on the Custom Google Map