National Natural Landmarks

Mount Lamlam

Mount Lamlam
Mount Lamlam

Mount Lamlam is a remnant of a great caldera. It is the third key site on Guam disclosing the major volcanism that created the island.

Location: Guam, GU ; Guam , GU

Year designated: 1972

Acres: 525

Ownership: Government of Guam

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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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