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

Discover panoramic views of Guam's volcanic landscape and ancient history at Cetti Bay Overlook, a must-see destination in Umatac.

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Cetti Bay Overlook offers panoramic views of Guam's volcanic southern coast, showcasing the island's unique geological formations and rich history. Part of Guam's Territorial Seashore Park, it's a must-see for nature lovers and history enthusiasts alike.

A brief summary to Cetti Bay Overlook

  • 8MG8+6GH, 2, 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

Local tips

  • Visit during sunrise or sunset for the best lighting and fewer crowds.
  • Bring a camera to capture the stunning vistas.
  • Wear comfortable shoes if you plan to explore the hiking trails.
  • Bring water and snacks, as there are no facilities at the overlook.
  • Check local weather conditions to ensure clear visibility for the best views.
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Getting There

  • Car

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

  • Public Transport

    Take a bus from Umatac Bay to the nearest stop on Route 4. Transfer to a local taxi service, as public transport does not go directly to Cetti Bay Overlook. The taxi ride from the bus stop to Cetti Bay Overlook will cost around $10-$15. Confirm the fare with the driver before starting your journey.

Unlock the Best of Cetti Bay Overlook

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Discover more about Cetti Bay Overlook

Cetti Bay Overlook provides stunning views of Cetti Bay and the surrounding landscape, offering a glimpse into Guam's volcanic origins. The area is part of Guam's Territorial Seashore Park, protecting the island's natural beauty and historical significance. From the overlook, you can see the twin hills of Attelong Acho, also known as Black Rock, which are examples of pillow lava formed during ancient underwater volcanic eruptions. Looking south, Cocos Island (Dano) is visible off the coast of Malesso'/Merizo village. 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. Cetti Bay is listed on both the Guam and National Registers of Historic Places. While reaching Cetti Bay directly by foot can be challenging, involving hikes along the shore from Humåtak or Sella Bay with considerable climbing, the overlook itself is easily accessible. The slopes are covered with grassland, savanna, coconut trees, and a ravine forest that hides Cetti Falls.

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