![]() NPS Photo by Hidekatsu Kajitani. [Site Under Development] IntroductionSea 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. ![]() NPS Photo by Neil Howk. Featured Stories
Photos and MultimediaFind Your Park—Sea/Littoral CavesThe following is a partial list of National Park Service units that include sea or littoral caves:
Other Cave TypesKarst Landscapes | Solution Caves | Lava Caves or Tubes | Sea or Litttoral Caves | Talus Caves | Glacier Ice Caves Related Links |
Last updated: January 20, 2021