Crayfish Search Techniques

Crayfish trap
Crayfish traps loaded with bait.


Two methods are used to find and count crayfish in Crater Lake,

  • Snorkel-divers swim the shoreline turning over rocks and counting crayfish,
  • Crayfish traps are set from the surface down to 300 meters deep.
Searching for crayfish in rocky areas of Crater Lake.
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Crayfish walking near trap in Crater Lake
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Crayfish in rock crevice in Crater Lake
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Last updated: February 28, 2015

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Mailing Address:

Crater Lake National Park
PO Box 7

Crater Lake , OR 97604


(541) 594-3000

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