Mount Lamlam: Guam's Highest Peak
Hike to Guam's highest point, Mount Lamlam, for breathtaking views and a glimpse into the island's rich cultural heritage.
Mount Lamlam, meaning "lightning" in the Chamorro language, is more than just a mountain; it's a symbol of Guam's natural beauty and cultural heritage. Rising 406 meters (1,332 feet) above sea level, this peak offers panoramic views of the island, from its lush interior to the vast Pacific Ocean. On a clear day, you can even spot Cocos Island and the distant Northern Mariana Islands. While modest in height compared to other mountains, Mount Lamlam holds a unique distinction: when measured from its base on the ocean floor in the nearby Mariana Trench (the deepest part of the ocean), it's considered one of the tallest mountains on Earth. This dramatic vertical drop makes it a fascinating subject for geologists and a source of local pride. The hike to the summit is a rewarding experience, typically taking 2-4 hours round trip. The trail winds through diverse terrain, including dense jungle, breezy savannahs, and rocky outcrops. Be prepared for steep sections and potentially slippery conditions, especially after rain. Sword grass lines parts of the trail, so long pants are recommended. Mount Lamlam is also a place of spiritual significance for the Chamorro people, the indigenous inhabitants of Guam. The mountain's name reflects the reverence it has held for generations, and it's considered a sacred place where the physical and spiritual worlds meet. The annual Easter pilgrimage, where locals carry crosses to the summit, reflects the island's Catholic faith interwoven with indigenous traditions. Combine your hike with a visit to nearby Umatac, one of Guam's oldest villages, to explore Spanish fortifications and the site where Ferdinand Magellan is said to have landed in 1521. Whether you're a hiker, history buff, or nature enthusiast, Mount Lamlam offers an unforgettable experience connecting you to the heart and soul of Guam.
Local tips
- Wear sturdy shoes and long pants to protect against the steep terrain and sword grass.
- Bring plenty of water, sunscreen, and a camera to capture the stunning views.
- Hike during the dry season (December to April) for the best weather conditions.
- Consider visiting the nearby village of Umatac to explore historical sites.
- Be respectful of the mountain's cultural significance to the Chamorro people.
A brief summary to Mount Lamlam Summit
- 8MQ8+5JW, Mount Lamlam Summit, Humåtak, GU
- Monday 12 am-12 am
- Tuesday 12 am-12 am
- Wednesday 12 am-12 am
- Thursday 12 am-12 am
- Friday 12 am-12 am
- Saturday 12 am-12 am
- Sunday 12 am-12 am
Getting There
-
Driving
From Guam International Airport, take Route 1 south towards Hagåtña. Continue on Route 1, then merge onto Route 2 south. Follow Route 2 to Umatac. The trailhead is located across from the Cetti Bay Overlook. Parking is available at the overlook. Be aware that parking can be limited, especially on weekends.
-
Public Transport
From Guam International Airport, take the Blueline 1 bus to the Calvo's Building in Hagåtña. From there, transfer to the Southern Shuttle. The Southern Shuttle stops at the Hågat Mayor's Office. From there, it is difficult to reach the trail head without a taxi or rideshare. The bus service operates Monday through Saturday with limited hours. Bus fare is $2 - $5.
-
Taxi/Ride-share
From Guam International Airport, a taxi or ride-share to the Mount Lamlam trailhead (Cetti Bay Overlook) will take approximately 45-60 minutes, depending on traffic. The estimated cost is $60-$80. Several taxi companies operate at the airport.