A beautiful cave that continues to evolve and grow, it is not a long tour, but interesting. There are many trails around, including 1/2 mile hike to the canadian border. In addition, there is the Boundary Dam close by and it too is very interesting... I would highly recommend that if you are in the area to do both tours... both beautiful and unique in their own ways.
The tours are free, you will need to pay $10 for parking for Gardner Cave or have a Discover pass.
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