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Science, Nature & Education

1.   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.
Address: Route 625, Bo. Esperanza
Arecibo, PR 00612  Map this 
Phone: (787) 878-2612
Fax (787) 817-6117
2.   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.
Address: Ponce 
Phone: (787) 721-5495
3.   Carite Lake
   
Address: Road 179
Guayama 
4.   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.
Address: Lajas 
5.   Cascada Las Garzas
  Small waterfall.
Address: Adjuntas 
6.   Cerro Punta
  Located within the Toro Negro Forest Reserve lies the highest peak. Puerto Rico's highest peak (1,338 m).
Address: Jayuya 
7.   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 at (787) 863-0705 or (787) 863-0852.
Address: Culebra 
8.   Espiritu Santo River
  Espiritu Santo River is the only navigable river in Puerto Rico.
Address: Highway 3
Rio Grande 
9.   Garzas Lake
   
Address: Route 518
Adjuntas 
10.   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.
Address: Guanica 
11.   Gruta San Juan Bautista
  Recreational park with kiosks and playgrounds.
Address: Road 410 Km 1.0
Maricao 
Phone: (787) 838-2290
12.   Guayabal Lake
   
Address: Poblado Guayabal
Juana Diaz 
13.   Guayo Lake
   
Address: Route 129
Lajas 
14.   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.
Address: Yabucoa 
15.   Isla de Cabras
  Located few miles to the west of El Morro. There is a beach area as well as the El Cañuelo Fort.
Address: Toa Baja 
Phone: (787) 261-0202
16.   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.
Address: Lajas 
17.   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.
Address: Guanica 
18.   La Virgen Cave
   
Address: Ciales 
Phone: (787) 871-3500
19.   Las Archillas Cave
   
Address: Ciales 
Phone: (787) 871-3500
20.   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.
Address: Route 129, Km 9.8
Camuy 
Phone: (787) 898-3100

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