Cetti Bay Overlook: A Window to Guam's Volcanic Past

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Discover panoramic views of Guam's volcanic coastline and ancient history at Cetti Bay Overlook, a must-see scenic point in the island's south.

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Cetti Bay Overlook

Cetti Bay Overlook offers panoramic views of Guam's southwestern coastline, showcasing unique volcanic formations and historical remnants. Part of the Territorial Seashore Park, it's a geological delight and a window into Guam's ancient Chamorro past.

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.

Visit early in the morning or late afternoon for the best light and fewer crowds.
Wear sturdy shoes, as some trails can be steep and rocky.
Bring plenty of water and snacks to enjoy while taking in the views.
Consider visiting during the dry season for more pleasant hiking conditions.
Don't forget your camera to capture the breathtaking scenery !

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Getting There

Driving

From Tumon Bay, take Route 1 (Marine Corps Drive) south. Continue for approximately 15 miles (24 km) until you reach the intersection with Route 2. Turn left onto Route 2 and follow the signs towards Humåtak. After about 5 miles (8 km), you'll approach the area of Cetti Bay. Look for the signs indicating Cetti Bay Overlook. Park along the street. There is no entrance fee. Parking is available near the overlook.
Public Transport

Begin your journey by taking a bus from Tumon Bay to the Guam Airport (Route 65). From the airport, transfer to a bus that heads towards the southern villages, such as Route 1A, which will take you to Humåtak. Inform the driver that you want to get off at the nearest stop for Cetti Bay. After getting off, you may have to walk a short distance (approximately 1.5 miles or 2.4 km) to reach Cetti Bay Overlook. Ensure to check the bus schedules in advance as they may vary. Bus fare is approximately $4.00.

Discover more about Cetti Bay Overlook

Cetti Bay Overlook provides visitors with a stunning vista of Guam's natural beauty and a glimpse into its layered history. The overlook is part of Guam's Territorial Seashore Park, offering views of Cetti Bay and a chain of foothills. The area is considered a geological treasure, with rock formations revealing the island's volcanic origins. The twin hills, Attelong Acho (Black Rock), are examples of pillow lava formed underwater during ancient volcanic eruptions.The coastal area around Cetti Bay has been inhabited by Chamorros for approximately 3,000 years. Latte stones and pottery shards provide evidence of this long history. The Spanish later created a road system that followed the coastline from Hagatna, south through Cetti Bay to Umatac. Today, the slopes are covered with grassland, savanna, and coconut trees, with a ravine forest hiding Cetti Waterfall. Cetti Bay itself is on both the Guam and National Registers of Historic Places.From the overlook, visitors can see Cocos Island to the south, off the coast of Merizo village. The bay is accessible via a hike north from Humåtak or south from Sella Bay, though both require considerable climbing. The area has faced erosion and sedimentation due to road construction. Despite this, Cetti Bay Overlook remains a popular destination for those seeking natural beauty and historical insight.