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People standing on top of a rocky arch over the ocean.

Explore

The Subtropical Forest Trail

The journey to Cueva Ventana begins with a guided 0.6-mile round-trip walk.

Photo: tour listing on Viator

Before entering the dark cavern, you walk through a bright subtropical forest. The dirt and stone path is uneven. Visitors must wear closed-toe shoes.

This guided outdoor segment takes up about 45 minutes of the 90-minute tour. Your guide points out native plants and animals along the route.

Silhouette of a person looking out from a cave over a lush valley.
Photo: tour listing on Viator
01

Trailhead & Safety Briefing

15 minutesMandatory gear pickup

This starting point is where you sign a safety waiver. Guides distribute mandatory helmets and flashlights here. Listen closely to the instructions on how to use your equipment properly.

Person swimming in a pool at the base of a rocky waterfall.
Photo: tour listing on Viator
02

Flora & Fauna Walk

20 minutesUneven terrain

Follow your guide along the dirt and stone path. They point out native trees like the ficus and cupey. Keep an eye out for lizards crossing the trail and listen for bird calls.

Close up view of stalactites and stalagmites inside a dark cave.
Photo: tour listing on Viator
03

Cueva Clara (First Cave)

10 minutesNaturally lit cave

You pass through this large, open-ended cavern before reaching the main cave. It is filled with natural light. Practice walking on the uneven limestone terrain here before heading into the dark.

Book a Guided Forest Hike

Woman standing in a cave entrance with arms raised facing a valley.
Window Cave Walking Tour from San Juan6 h 4.2 (11)from $127
window cave walking tourfrom $127 on Viator
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