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El Yunque and the Northeast Sights

Reserva Natural Las Cabezas de San Juan

  • Rte. 987, Km 6 Map It
  • Fajardo
  • Nature Preserve/Wildlife Refuge

Updated 03/27/2014

Fodor's Review

The 316-acre reserve on a headland north of Fajardo is owned by the nonprofit Conservation Trust of Puerto Rico. You ride in open-air trolleys and wander down boardwalks through seven ecosystems, including lagoons, mangrove swamps, and dry-forest areas. Green iguanas skitter across paths, and guides identify other endangered species. A half-hour hike down a wooden walkway brings you to the mangrove-lined Laguna Grande, where bioluminescent microorganisms glow at

night. The restored Fajardo Lighthouse is the final stop on the tour; its Spanish-colonial tower has been in operation since 1882, making it Puerto Rico's second-oldest lighthouse. The first floor houses ecological displays; a winding staircase leads to an observation deck. The only way to see the reserve is on one of the many guided tours; reservations are required through the Conservation's comprehensive website.

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Sight Information


Rte. 987, Km 6, Fajardo, 00738, Puerto Rico

Map It


787-722–5882-weekdays; 787-860–2562-weekends

Sight Details:

  • $10

Updated 03/27/2014


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