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 | About 45 miles off I-5 on State Hwy 504 to  | 
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 | The cave is not lighted so visitors must bring their own. This is a lava tube, about two miles in length. | 
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 | (206) 696-4041 | 
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 | In Crawford State Park, 11 miles north of Metaline | 
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 | One of the few limestone caves in Washington, less than a thousand feet long. The cave is now lighted. Trips are guided by park staff. | 
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 | (509) 446-4065 | 
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 | Six miles southwest of Trout Lake | 
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 | This is a 400' long lava tube with year-round ice. The cave is not lighted so visitors must bring their own. | 
| 
 | (206) 696-4041 |