Cetti 7 Waterfalls
Cetti 7 Waterfalls: Guam's Cascade Adventure
Hike Guam's highest peak, Mount Lamlam, for stunning views and a unique claim to fame as the 'world's tallest mountain' from its base.
Hike to the summit of Mount Lamlam, Guam's highest point, for panoramic views and a unique geological perspective. Known as 'lightning' in the Chamorro language, this mountain offers a rewarding trek through diverse terrain and cultural significance.
Opening times, essentials, and a few local tips gathered into one calmer, easier-to-scan planning section.
Driving
From the center of Yigo, head south on Route 1 (Marine Corps Drive). Continue straight for about 2.5 miles until you reach the intersection with Route 15. Turn left onto Route 15 and follow it for approximately 4 miles. At the junction where Route 15 intersects with Route 4, continue straight onto Route 4. After about 2 miles, you will see signs for Mount Lamlam. Follow the signs and take the road that leads to the Mount Lamlam trailhead. Parking is free at the Cetti Bay Overlook across from the trailhead.
Public Transport
From Hagåtña, take the bus towards Humåtak. Get off at the stop closest to Mount Lamlam, around the Route 15 intersection. From there, walk about 30 minutes to the trailhead. A one-way bus fare is approximately $4. Be sure to check the Guam Regional Transit Authority (GRTA) schedule for accurate times.
Taxi/Ride-share
From Tumon Bay, a taxi or ride-share to the Mount Lamlam trailhead will take approximately 40 minutes and cost between $80-$100. Note that cell service can be unreliable in the area, so pre-booking a return trip is recommended.
Use Tower Bridge as your starting point for nearby food, family ideas, nightlife, and more local discoveries.
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