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What it's like

Casibari and Ayo are clusters of giant boulders set in the flat inland of Aruba, close to Hooiberg, the rounded hill that stands out in the landscape. The rocks are the island's most striking natural formations away from the coast. Ayo holds Arawak petroglyphs, carved by the island's early people.

A visit means climbing. Paved paths and steps lead up among the boulders to the tops, where the views run across the countryside. Many people combine a stop here with Hooiberg, the nearby hill, or with the Arikok area to the east.

Good to know

  • Wear shoes with good grip, since the rock surfaces are uneven where the paths give way to boulders.
  • Some unmarked bus-only roads have large pits designed to trap ordinary cars, so keep to marked roads when driving.
  • Taxis are available at the airport and hotels, so a car is not strictly needed to reach the area.
A place to visit: ​
Rock formations

Casibari and Ayo Rock Formations

Casibari and Ayo are clusters of giant boulders inland in Aruba, near Hooiberg. Visitors climb the rocks and paved paths lead to the tops for views across the island.

Snorkeling
snorkeling
Beaches
beaches
Volcanoes
volcanoes_geology
Caves and cenotes
caves_cenotes
Hiking
hiking
Shopping
shopping
Horseback riding
horseback_riding
Scuba diving
scuba_diving
Sport fishing
sport_fishing
Beach clubs
beach_clubs
Ancient sites
ancient_sites
Museums
museums
Food tours
food_tours
How to get there
The formations sit inland near Hooiberg, so most visitors reach them by car or on a tour.
Time needed
Most of an hour, with time for the climb and views.
What it costs
Suits
Walkers, photographers and rock lovers
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12.5310692
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Tours that go here

Prices are per person, booked with our partner, Shore Excursions Group.

Tour
Aruba

Aruba Hiking Adventure

6 hours
Small group
5.0
​ (
8
)
$99
a person
223
hiking
Next, in ​
Aruba
All of ​
Aruba
Hill and trail

Hooiberg

Aruba

Hooiberg is a conical hill in the center of Aruba, rising 165 meters above the flat land. Visitors climb 561 steps to the top for wide views over the island.

Tours here from ​
​ a person
ORAN:hooiberg
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12.520397
-69.9992435
Nature reserve

Arikok National Park

Aruba

Arikok National Park is Aruba's large wild reserve, covering about a fifth of the island on the rugged east side. Its dry trails, caves, old gold ruins and limestone cliffs make it the place for hiking and wildlife on land.

Tours here from ​
$83
​ a person
ORAN:arikok-national-park
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12.4996859
-69.94851
Natural pool, by trail

Natural Pool

Aruba

Conchi, also called the Natural Pool or Cura di Tortuga, is a small saltwater tide pool on Aruba's wild north coast. You reach it inside Arikok National Park, across rough volcanic rock.

Tours here from ​
​ a person
ORAN:natural-pool
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12.5246
-69.9287
Caves

Quadirikiri Caves

Aruba

Limestone caves inside Arikok National Park, reached by back roads on jeep tours. Two chambers open to the sky, with stalactites, bats and Amerindian petroglyphs nearby.

Tours here from ​
​ a person
ORAN:quadirikiri-caves
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12.4833
-69.9167

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