page_title: Ice cave
hierarchical_section_title: Ice cave
caption_attribution_description: English: Ponded water ice in Serendipity, a limestone ice cave in the Canadian Rockies. Photo by Ian McKenzie, Alberta Speleological Society.
context_page_description: An ice cave is any type of natural cave that contains significant amounts of perennial ice. At least a portion of the cave must have a temperature below 0 °C all year round, and water must have traveled into the cave’s cold zone.
context_section_description: An ice cave is any type of natural cave (most commonly lava tubes or limestone caves) that contains significant amounts of perennial (year-round) ice.  At least a portion of the cave must have a temperature below 0 °C (32 °F) all year round, and water must have traveled into the cave’s cold zone.
caption: Ponded water ice inside an ice cave
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