Mount Lamlam

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Mount Lamlam
Mount Lamlam is located in Guam
Mount Lamlam
Mount Lamlam
Highest point
Elevation1,332 ft (406 m) [1]
Prominence1,332 ft (406 m)
Coordinates13°20′19″N 144°39′46″E / 13.33861°N 144.66278°E / 13.33861; 144.66278Coordinates: 13°20′19″N 144°39′46″E / 13.33861°N 144.66278°E / 13.33861; 144.66278[2]
LocationNear Agat, Guam, Micronesia, U.S. territory
Topo mapUSGS Agat
Easiest route

Mount Lamlam (meaning lightning in Chamoru) is a peak on the United States island of Guam. It is located near the village of Agat (5 km or 3 mi[3] north), in the south-west of the island.

Rising to 406 meters (1,332 ft) above sea level, the distance from the peak to the bottom of the nearby Mariana Trench is said to be the greatest change in elevation on Earth over such a short distance.[4] However, because said distance is arbitrary and because different geological processes contributed to both the formation of the Marianas Trench as well as Mount Lamlam, this claim is contested.

See also[edit]


  1. ^ "Highest Mountain Peaks in Guam".
  2. ^ "Mount Lamlam". Geographic Names Information System. United States Geological Survey.
  3. ^ "Mount Lamlam".
  4. ^ One internet site Geography of Guam claims the difference is 37,820 feet (11,530 m). However, this is measured relative to the Challenger Deep, not the part of the trench adjacent to Guam.

External links[edit]