How to dress for Crystal Cave?

The cave temperature is 50°F (10°C) and with high humidity. Jackets or sweatshirts and closed-toe shoes are recommended, but not necessary. In our visitor center we have a great selection of Crystal Cave sweatshirts and T-shirts available for purchase.



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In fact, no human can spend more than a mere few minutes inside the cave. Temperatures of 150°F (65.6°C) have been recorded in the main chamber, whilst the smaller caverns are slightly cooler at 100°F (37.8°C). To add an extra layer of danger, conditions are close to 100% relative humidity.

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Exploring Sequoia's Crystal Cave Tours include: Family Tour: 50 minute tour for all ages. Thirteen and Older Tour: 50 minute tour for ages 13 and up. Discovery Tour: 1 1/2 hours for ages 13 and up.

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Clothing must be made of wool or synthetic materials like polypropylene and polyester and should cover your entire body. Any type of old jeans or rugged pants can be worn, along with a long sleeve shirt, synthetic underwear, wool or synthetic socks, fleece jacket, a windbreaker or raincoat and synthetic bras for women.

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Move with care
  1. Do not run or jump in a cave. Plan each move carefully.
  2. Do not enter a cave when there is rain predicted in the area. Cave often flood suddenly.
  3. Never touch or damage stalactites or other cave formations. These take thousands of years to grow.


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