National Natural Landmarks

Sinnett-Thorn Mountain Cave System

Sinnett-Thorn Mountain Cave System
Sinnett-Thorn Mountain Cave System

The Sinnett-Thorn Mountain Cave System includes rooms at various levels connected by crawlways and vertical shafts, and contains waterfalls and deep pits.

Location: Pendleton County, WV ; Pendleton County, WV

Year designated: 1973

Acres: 81

Ownership: Private




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Please remember, National Natural Landmarks (NNLs) are not national parks. NNLs are owned by a variety of public and private entities and allowing visitation is at their discretion. Many NNL sites maintain public websites where additional information may be found.

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