National Natural Landmarks

Ellenville Fault-Ice Caves

Ellenville Fault-Ice Caves
Ellenville Fault-Ice Caves

The Ellenville Fault-Ice Caves, located within Sam's Point Preserve, contains the largest known exposed fault system in the United States, along with a series of ice caves formed from fault debris.

Location: Ulster County, NY ; Ulster County, NY

Year designated: 1967

Acres: 395

Ownership: State

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