Explore the Highest Natural Peak in Guam with a Hidden Record
Mount Lamlam, located on the island of Guam, is not just the island's highest peak—it's also considered the tallest mountain in the world when measured from its base deep beneath the ocean. Rising only 1,332 feet (406 meters) above sea level, Mount Lamlam appears modest. However, its base begins nearly 37,820 feet below the ocean floor in the Mariana Trench, making it a geological marvel.
Why Mount Lamlam Is Special
Unique geological claim: It spans the greatest vertical distance from ocean floor to summit
Cultural significance: Its name means “lightning” in Chamorro
Incredible hiking: Short but rewarding climb with panoramic island views
Accessible location: Situated in southern Guam, near Agat and Umatac villages
Hiking Mount Lamlam
The hike to the summit is ideal for travelers seeking nature, adventure, and a challenge:
Trail length: About 1.6 km (1 mile) one way
Duration: 1.5 to 2 hours round trip
Difficulty: Moderate—expect a steep, often muddy path
Scenery: Lush jungles, wildflowers, limestone cliffs, and sweeping ocean views
Along the trail, you'll see handmade crosses placed by locals and churches, as the hike is also a religious pilgrimage during Easter.
Best Time to Hike
fireblogz.com - Visit during dry months (January to May) for better trail conditions and clearer skies. Early morning is the best time to avoid the tropical heat and catch breathtaking sunrise views.
Other Notable Peaks in Guam
Mount Jumullong Manglo – Second highest peak (1,283 ft), also culturally significant
Mount Alifan – Rich in World War II history and great for nature walks
Fonte Plateau – A less strenuous trek with historic remnants and wildlife
Tips for Visiting Mount Lamlam
Wear sturdy hiking shoes – Trails can be muddy and slippery
Bring plenty of water – Tropical humidity can be intense
Apply insect repellent – Mosquitoes are common
Respect local customs and land – Some areas may be sacred or private
Final Thoughts
Mount Lamlam may not look towering at first glance, but it holds a world record and offers one of the best hiking experiences in Guam. Liga788 With its natural beauty, cultural depth, and geological wonder, it's a must-see for every nature lover and adventurer visiting the island.