The Pterocarpus Forest and the Humacao Nature Reserve represent two different scales of nature: the swamp forest covers 51 acres, while the nature reserve spans 3,000 acres. In the forest, a boardwalk winds through the habitat; in the nature reserve, kayaking, bicycle rentals, and hiking and biking trails offer additional ways to experience the wildlife.

Swamp Forest and Biodiversity

The Pterocarpus Forest is a 51-acre swamp forest. It provides a habitat for more than 107 plant species, 113 animal species, and 73 species of fungi; 13 of the animal species are considered endemic. Plants, animals, and fungi find a home there, while the endemic species draw attention to animals whose range is limited to a specific area.

A wooden boardwalk winds through the forest, offering a nature walk. Just outside the entrance is an observation tower. Admission to the Pterocarpus Forest is free; admission information may change. Check it before your trip, and also confirm whether the observation tower is currently accessible.

The Humacao Nature Reserve

At 3,000 acres, the Humacao Nature Reserve is considerably larger than the swamp forest. It provides refuge for birds, fish, and other wildlife. Several hiking and biking trails are available, along with other activities: kayaking is offered on-site, and you can also rent bicycles. The activities differ by mode of travel—on foot, by bike, or by kayak.

The area’s role in protecting wildlife is also part of its character: wildlife finds refuge here, while the trails and activities offer additional ways to experience nature. Compared with the Pterocarpus Forest and its boardwalk, the nature reserve thus offers different ways to spend time outdoors.

Wildlife and Astronomy

Cayo Santiago is part of the Municipality of Humacao and is home to more than 1,000 free-roaming rhesus macaques. The island is not open to visitors. Its animal population is therefore part of Humacao’s natural environment, but you cannot plan to visit the island to see it.

Astronomy offers another point of interest: the Astronomical Observatory of the University of Puerto Rico at Humacao serves the public and supports astronomical research. Humacao’s range of attractions thus includes astronomy as well as forests, wildlife, and activities in the nature reserve.

Taíno Archaeology in Puerto Rico

In Puerto Rico, Taíno archaeological sites complement Humacao’s focus on nature with a distinct cultural perspective. Parque Ceremonial Indígena Caguana in Utuado is considered one of the most important Taíno archaeological sites in the Antilles. Several ceremonial plazas, known as bateyes, are at the center of the park. In the past, ceremonies, dance rituals, and ball games called batos took place there. On display are also petroglyphs, ceramic pieces, and other limestone artifacts made by the Indigenous population in the 14th and 15th centuries.

Another archaeological site in Puerto Rico is Centro Ceremonial Indígena de Tibes in Ponce, considered an important Taíno site on the island’s southern coast. The museum there displays weapons, ceramic artifacts, and figures representing deities, known as cemíes. Caguana and Tibes thus offer distinct cultural experiences within the destination of Puerto Rico.

Discover more places: Humacao, Candelero Arriba.

Discover more destinations: Aguada, Vega Alta, Lares, Moca, Peñuelas, Salinas.

Back to the main travel overview: Puerto Rico.