Features – Kerr Notch

Kerr Notch – Prominent Geological Features of Crater Lake National Park

#13 on the map – southeast corner of the caldera

kerr-notch
Kerr Notch at center with Mount Scott in background, Dutton Cliff at far right and Phantom Ship at bottom center, Crater Lake National Park, photo by Robert Mutch

Named for Mark Brickell Kerr, a United States Geological Survey topographer, Kerr Notch’s U-shaped cross-section denotes the glacier that poured through the area and carved out Kerr Valley, where Sand Creek now flows.This andesitic valley was beheaded with the collapse and creation of the Crater Lake Caldera during Mount Mazama’s climactic eruption some 7,700 years ago … [The Geology and Petrography of Crater Lake National Park (1902) by Joseph Silas Diller and Horace Bushnell Patton]

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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