Cave, Bats and Boas Night Tour: Puerto Rico Wildlife at Sunset

Watch bats pour from the cave at sunset, then see predators strike

A night tour of Mata de Plátano Nature Reserve in Puerto Rico where you watch an estimated 300,000 bats exit Culebrones Cave at dusk and observe endangered Puerto Rican Boas feeding on them, led by certified interpreter guides and biologists. Hotel pickup from the San Juan area is included. The tour runs about seven hours and requires moderate physical fitness for a 30-minute walk into the reserve.

Step-by-step itinerary

Explore Mata de Plátano Nature Reserve

• Hotel pickup in San Juan area
• Walk 30 minutes to Cueva Culebrones
• Observe bats exiting cave at sunset
• Watch Puerto Rican Boa feeding on bats
• Learn about bat species and ecosystem
• Return to pickup point

The experience

What makes this tour different is the timing: you arrive at Culebrones Cave as the light fades, positioning you to watch the bats' nightly emergence in large groups. The cave houses one of the largest bat colonies in Puerto Rico, and the guides (certified interpreters and biologists) explain the species present and their ecological role as the event unfolds. Once the bats leave, you stay to observe the Puerto Rican Boa, an endangered species, hunting the emerging bats in real time. This sequence of predator and prey is rare to witness and has been documented for television.

The reserve itself sits in the Karso ecosystem near Arecibo, a landscape shaped by limestone and underground water systems. Your walk covers about 30 minutes through the reserve, and the guides discuss the geology and conservation importance of the area. Bottled water and snacks are provided, and you travel in an air-conditioned vehicle from your hotel or Airbnb in the San Juan area. A helmet and lamp are supplied for cave exploration.

Your participation supports the reserve's maintenance and conservation directly. The experience is physically moderate (the walk is steady but not strenuous), and children are welcome from age seven.

What’s included

• Hotel or Airbnb pickup and return transportation in an air-conditioned vehicle.
• bottled water and snacks.
• helmet and lamp for cave exploration.
• certified interpreter guide and biologist throughout.

Options for this experience

2 options

Guide in English or Spanish16:00

Guide in English or Spanish14:00

You pick the guide language when booking. Options with the same name differ in details you'll see when you pick a date.

You see the exact price of each option when you check availability.See dates & prices

Before you book

Days and timesWednesday and SaturdayDepartures at 14:00 and 16:00

AgesAdult (17 to 65 years) · Youth (7 to 16 years) · Under 7: can't be included in the booking

Meeting point and pickupHotel pickup is optional; you can also go straight to the meeting point. Ends back at the starting point.You can choose from 26 pickup points.Operator's directions: “Meeting at the Atlantic Bakery, Highway 129, Marginal Street, Arecibo, PR 00612, Puerto Rico”

Cancellation and refundsFree cancellation up to 24h before the start. After that, no refund.It may be canceled due to bad weather or if the minimum number of travelers isn't reached. If that happens, you're offered another date or a refund.

Prices and times updated yesterday

Good to know

Moderate physical levelNot for pregnant travelersNot for heart conditionsNot for back problems

Operated by NaturHabitat Ecotours

Is this one for you?Book this tour if you want to witness wildlife behavior rather than simply see animals in a space: the bats' emergence and the boa's hunt happen in sequence, and the guides' expertise frames what you're watching. The seven-hour commitment and moderate fitness requirement mean this suits travelers who are comfortable with a full afternoon and evening away from the city and a steady walk on uneven ground.

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Top questions

What languages is the guide in?

Live guide in English and Spanish.

Can children come?

Yes. Ticket types: Youth (7 to 16 years). Under 7: they can't be included in the booking.

What happens if it rains?

It may be canceled due to bad weather. If that happens, you're offered another date or a refund. Free cancellation up to 24h before the start.

What exactly will I see when the bats leave the cave?

The bats emerge in large groups as the sun sets, and you watch them depart to feed. Once they leave, the endangered Puerto Rican Boa hunts the remaining bats in the cave entrance, a predator-prey interaction you observe directly with the guides explaining the behavior.

How long is the walk into Mata de Plátano Nature Reserve?

The walk takes about 30 minutes and covers moderate terrain through the reserve to reach Culebrones Cave. The guides discuss the Karso ecosystem and conservation as you go.

Is hotel pickup included in the tour price?

Yes, pickup from hotels or Airbnbs in the San Juan metropolitan area is included, and you return to the same location at the end of the tour.

What's the difference between the two tour options available?

One option includes transportation from your hotel. The other does not. Both include the cave visit, bat emergence, and boa observation with guides, water, and snacks.

How long does the entire tour take?

The tour runs about seven hours from pickup to return, which includes travel time, the 30-minute walk, and the time spent at the cave observing the bats and boas.