Cetti Bay Overlook, Tumon Bay Travel Guide

4.2 (1328)

Discover Guam's volcanic past at Cetti Bay Overlook. Breathtaking views, rich history, and natural beauty await on the island's southern coast.

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Cetti Bay Overlook

Cetti Bay Overlook offers panoramic views of Guam's volcanic southern coastline, part of the Territorial Seashore Park. See pillow lava formations, the Philippine Sea, and Cocos Island from this easily accessible spot steeped in history.

A brief summary to Cetti Bay Overlook

8MG8+6GH, 2, Humåtak, GU

From Eve

Know before you go

Hi, I'm Eve. Here are a few practical things to know before exploring Cetti Bay Overlook.

Bring your camera to capture the panoramic views of the coastline, especially during sunset.
Combine your visit with a hike to explore the surrounding area and discover hidden waterfalls.
Wear comfortable shoes for walking and exploring the overlook area.

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Explore Cetti Bay Overlook on the Map

A handpicked selection of must-see spots near Cetti Bay Overlook, mapped for you.

Getting There

Car

From Umatac, drive southwest on Route 4 towards Humåtak. Continue for approximately 6 miles (10 minutes). Look for the Cetti Bay Overlook sign and turn left onto the unpaved road leading to the overlook. There is no parking fee.
Public Transport

Take the Guam Regional Transit Authority (GRTA) bus to Umatac. From Umatac, you would need to take a taxi or arrange for local transportation to the Cetti Bay Overlook, as it is a few miles away. GRTA bus fare is $1.50 for one ride.

Discover more about Cetti Bay Overlook

Cetti Bay Overlook is a popular scenic point on Guam's southwest coast, offering stunning views of Cetti Bay and the surrounding landscape. As part of Guam’s Territorial Seashore Park, the overlook provides a window into the island's volcanic origins, with views of the pillow lava formations of Attelong Acho, or Black Rock, to the north. In the distance, you can spot Cocos Island off the coast of Malesso'/Merizo village to the south.The area holds historical and cultural significance, with evidence of Chamorro habitation dating back 3,000 years. Latte stones and pottery shards have been found in the area. The Spanish later established a road system that ran through Cetti, connecting Hagåtña with Humåtak. The slopes around the bay are covered in grassland, savanna, coconut trees, and a ravine forest that hides Cetti Falls.From the overlook, you can appreciate the unique geological formations and the vast expanse of the Philippine Sea. The twin hills of Attelong Acho are examples of pillow lava formed underwater during ancient volcanic eruptions. Cetti Bay itself is on Guam's and the National Register of Historic Places.