[Site Under Development]
Sea or littoral caves are formed by the action of waves pounding against rocks that line the shores of oceans and larger lakes. These types of caves are evidence of the enormous power of waves and may be further modified and enlarged by wave-carried sand and gravel.
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Find Your Park—Sea/Littoral Caves
The following is a partial list of National Park Service units that include sea or littoral caves:
Last updated: January 20, 2021