Cueva Ventana is a natural cave featuring stalagmites, stalactites, and a 700-foot-high opening overlooking the Valley of Rio Grande de Arecibo. Guided tours led by trained biologists include a 45-minute walk through the cave, discussion of local flora and fauna, and Taíno Indian history, culminating in views from the dramatic cliff opening. Visitors can choose between regular hiking tours or UTV-transported VIP tours.
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