Things to Do

Arecibo Observatory
The Arecibo Observatory is the world's largest radio/radar telescope. The observatory was developed by the National Astronomy and Ionosphere Center and it is operated by Cornell University under a cooperative agreement with the National Science Foundation. Scientists from all parts of the world come to this national observatory to carry out research projects. Open to the public for self-guided tours. Adults: $4, Children: $2. Open Wednesday through Friday from 12pm to 4pm and Saturdays and Sunday from 9am to 4pm.

Caja de Muertos
Located 5 miles south of Ponce laid "Caja de Muertos". The island is approximately 2.75 km wide by 1.85 km long, with a total area of 202 hectares. The island has no permanent inhabitants. Ferries leave from La Guancha.

Carite Lake

Cartagena Lagoon Natural Reserve
The reserve is home of the most diverse and major number of bird species in the island. This number surpasses half of the registered species for the island, including migratory and native.

Cascada Las Garzas
Small waterfall.

Cerro Punta
Located within the Toro Negro Forest Reserve lies the highest peak. Puerto Rico's highest peak (1,338 m).

Culebra
Culebra is famous for its coral reefs and white sand beaches. Culebra can be reached by plane or ferry from Fajardo and offers accommodations and dining. Ferry services: passenger & car. Call for current departure time to make reservation

Espiritu Santo River
Espiritu Santo River is the only navigable river in Puerto Rico.

Garzas Lake

Gilligan’s Island
Named for its resemblance to the well known American TV show, Gilligan's Island. The cay is located about a mile off Copamarina Beach Resort in Guánica. The perfect place for a day of sunning, swimming and snorkeling.

Gruta San Juan Bautista
Recreational park with kiosks and playgrounds.

Guayabal Lake

Guayo Lake

Inés María Mendoza Reserve
This 290-acre reserve, also known as Punta Yegua, with its rolling pastures and tree-lined sandstone cliffs is a place of great aesthetic value. On the reserve, there is a population of the very rare evergreen tree, Ortegón, as well as a bird in danger of extinction, the Grasshopper Sparrow.

Isla de Cabras
Located few miles to the west of El Morro. There is a beach area as well as the El Cañuelo Fort.

Isla de Magueyes
This island is located 55 feet of the coast of Lajas. The island possesses a small hill in the central part and caves, Guayacán and Mattei which possesses Taino Indias remains in its soil.

La Parguera Phosphorescent Bay
Millions of luminescent dinoflagellates light up when disturbed by movement; a tiny form of marine life, which produce sparks of chemical light when disturbed.

La Virgen Cave

Las Archillas Cave

Las Cavernas de Camuy
This incredible 268-acre park is the site of the great subterranean caverns carved out by the Camuy River over one million years ago. The park is one of the largest underground formations in the Western Hemisphere, and only seven miles (11km) of this series of limestone caves have been fully explored. The impeccably maintained trails gently descend 200 feet through a fern filled ravine to the yawning, cathedral-like caverns. The park is one of the world's largest cave networks. Sixteen entranced have been found and 11 kilometers (7 miles) of passages explored so far. Tours available, visitors are guided through one cave and two sinkholes, there are fine examples of stalactites, stalagmites and, of course, plenty of bats. The park is equipped with picnic areas, walking trails, food facilities, and exhibition hall and a souvenir shop, making it the perfect place to spend a day. Southwest of San Juan, about a two-hour drive. Open Wednesday-Sunday 8am - 4pm; admission US$10 adults and US$7 children.

Las Golondrina Cave

Lucchetti Lake
Facilities include: boat ramp, fish cleaning station, gazebos, BBQs, restrooms with showers and a camping area. Open Tue-Sun from 6:30am to 6:30pm.

Monkey Island (Isla de Mona)
Mona is home of mangrove forest, coral reefs, 200-foot high cliffs and the world's largest marine-originated cave system. The island is managed by the Department of National Resources since 1975. Camping is allowed at Sardinera Beach. Visitors are welcome, but no more than a hundred visitors can be on the island at any time. You can reach Mona Island Wildlife Refuge by private charter, tour operators or fishing boats from Puerto Real in Cabo Rojo.

Observatorio Astronómico
The observatory opens every Thursday from 7:30-10:30pm to watch the night sky. All visitors have the opportunity to observe the Moon, visible planets, multiple stars, Nebulae, Galaxies and Globular and Galactic Clusters.

Refugio Vida Silvestre
Open Tue-Sun 6:30am - 6:30pm.

Rio Grande de Loiza
Puerto Rico's only navigable river.

San Cristóbal Canyon
The San Cristóbal Canyon, one of the most notable topographic feature of the island, it is the largest canyon in Puerto Rico (and in the Caribbean). Three rivers cascade through its ravines, some of which are over 750 feet deep. It is also home to the highest waterfall in Puerto Rico, right on the Río Usabón.

Guided hiking trips are available, for more information, call the San Cristobal Hiking Tour at: (787) 857-2094
(787) 647-3402.

Tres Picachos

Yuyú Cave