Cetti 7 Waterfalls
Cetti 7 Waterfalls: Guam's Cascade Adventure
Hike Guam's highest peak for stunning panoramic views and a unique claim to fame as the 'World's Tallest Mountain'.
Hike to the summit of Mount Lamlam, Guam's highest point, for panoramic views and a unique geological perspective. This moderately challenging trail offers a rewarding experience for nature enthusiasts and those seeking breathtaking vistas of the island and the Pacific Ocean.
Opening times, essentials, and a few local tips gathered into one calmer, easier-to-scan planning section.
Driving
From Antonio B. Won Pat International Airport (GUM), head south on Route 1 (Marine Corps Drive). Continue to follow Route 1 until you reach Route 2 in Agat. Follow Route 2 for approximately 3 miles. Look for a red wall on the right side of the road; the trailhead is across the street on the left. Parking is available near the Cetti Bay Overlook. There are no tolls or parking fees.
Public Transport
From Hagåtña, take the bus towards Agat. Inform the driver you wish to get off at the stop for Mount Lamlam. The bus ride takes approximately 20-30 minutes. From the bus stop, follow the signs towards the Mount Lamlam trailhead. As of July 2025, a one-way bus fare is approximately $4. The bus schedules can be infrequent, so plan accordingly.
Use Tower Bridge as your starting point for nearby food, family ideas, nightlife, and more local discoveries.
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