National Natural Landmarks

Trona Pinnacles

Trona Pinnacles
Trona Pinnacles

Trona Pinnacles is a relic landform from the Pleistocene containing unique formations of calcium carbonate known as "tufa".

Location: San Bernardino County, CA ; San Bernardino County, CA

Year designated: 1967

Acres: 688

Ownership: Federal

← Back to NNL listing for CA.

← Back to listing of all states and territories.

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.

Experience More


  • Site Index