Mount Lamlam, Mountain peak in Agat, Guam.
Mount Lamlam rises to 406 meters above sea level, forming the highest elevation point on the island of Guam in the western Pacific Ocean.
The United States designated Mount Lamlam as a National Natural Landmark in 1972, recognizing its geological importance to the Pacific island territory.
The mountain's name translates to 'lightning' in the Chamorro language, reflecting the deep connection between local inhabitants and this natural formation.
Visitors can access the 2.5-mile round trip trail from Bakanan Cetti Overlook, crossing the road to locate the mountain path entrance.
From the Mariana Trench floor to Mount Lamlam's peak represents the greatest elevation change on Earth, measuring approximately 11 kilometers in distance.
Location: Guam
Elevation above the sea: 406 m
GPS coordinates: 13.33786,144.66673
Latest update: July 24, 2025 11:44
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