Features – Grouse Hill

Grouse Hill – Prominent Geological Features of Crater Lake National Park

#12 on the map – north of Crater Lake

grouse-hill
Grouse Hill map, The Geology of Crater Lake National Park, Oregon (1942) by Howell Williams

A short distance beyond the north rim of the caldera rises the steep-sided and wooded Grouse Hill. Diller supposed that the lava of Grouse Hill was older than the Llao Rock flow. There is, in fact, no way of deciding which of the two flows is the older. Probably they are of about the same age.Grouse Hill may be divided into two parts. At the south end there is a domical hill, approximately 3/4 mile in diameter. Here the flow planes are arranged in a crudely concentric manner about the summit. To the north lies a mesa, approximately 1/2 square mile in extent … [The Northern Arc of Vents: The Grouse Hill Dome and Flow, The Geology of Crater Lake National Park, Oregon (1942) by Howell Williams]

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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