San juan cave tours: Indian Cave and Small-Group Day Trip from San Juan 2022

THE TOP 10 Puerto Rico Caving (w/Prices)

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Exploring Caves in Puerto Rico

Take on the adventure and explore the island’s caves. 

Get off the beaten path on an underground adventure.

The caves of Puerto Rico offer adventurous visitors the opportunity to go hiking, spelunking, rock climbing, rappelling, or rafting in some of the Island’s less-visited parts.

Wade through narrow rock openings waist-deep in an underground river with only a headlamp for illumination. Rappel through the mouth of a cavern alongside a giant waterfall. Discover indigenous hieroglyphs after a climb. Or, if you’re looking for an easy hike and some stunning pictures, that’s readily available, too. The caves of Puerto Rico offer diverse and unique ways to experience the Island that few tourists or even locals know about. 

Here are some of the best caves you can explore while visiting Puerto Rico:

Exploring the Cañon de Tanamá in Utuado. 

Cañon de Tanamá


Deep in the mountainous region of Puerto Rico is the Tanamá river of Utuado. Over millions of years, its flowing waters have carved a network of caverns, canyons, and tunnels in the limestone cliffs. 

Several ecotourism companies lead caving, cave tubing, rappelling, hiking, and rock-climbing tours in this area, among them Aventuras Tierra AdentroTanama River AdventureTanamá ToursCacique EcoAdventures, and others. All will require participants to be in excellent physical condition, but the level of difficulty and type of activities varies according to the operator and the tour you choose.

Have a Canyoning Adventure in Puerto Rico

Explore the ecosystems of Río Camuy, the third largest underground river in the world.

Río Camuy Cave Park


You can find the world’s third-largest underground river and one of the more complex cave systems on the planet at the Río Camuy Cave Park. Explore its ecosystems — where there are over 16 bat species, the natural forms of stalagmites and stalactites, and even sinkholes.

You can visit the park Wednesday through Sunday from 8:00 a.m. through 3:00 p.m. AST. Reservations are not required. For more information, please reach out to the town’s tourism office at (787) 898-1556.

Learn more about things to do in Camuy

View of Cueva del Viento in Guajataca State Forest 

Cueva del Viento


Located inside the Guajataca State Forest in the northwestern town of Isabela, Cueva del Viento (Wind Cavern) is easily accessible via trails originating at the parking area and ranger station at KM 9 on Route 446. Once you reach the cave entrance, steps lead down, but inside there is no illumination or guardrails, so bring sturdy footwear and flashlights if you want to explore the cave. The cave is made of limestone, with beautiful stalactite and stalagmite formations. Be warned the cave is also home to many, many bats.

First time visitor? Plan your trip around the Island.

La Cueva del Indio in Arecibo.  

Cueva del Indio


Right on the roaring Atlantic coast is Cueva del Indio, or Indian Cave, named after the indigenous hieroglyphs found carved into the rocks. You will have access to impressive cliffs, views of crashing waves, and a natural bridge formed from rocks. Before Hurricane María, there was a ladder leading down to the cave, which is now gone. 

Experienced climbers can still make the descent down to the cave where there are rock carvings made by the Taínos, the people who lived on the Island before Columbus and the Spaniards arrived.

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Caves and grottoes of Coves de San Josep. Spain in Russian

For those who want to plunge not just into Spanish nature, but into its very depths — in the truest sense! — I can advise you to make an amazing journey along . .. an underground river. Nowhere in Europe is there such a miracle. Meanwhile, many tourists who come to Spain and walk with backpacks and sandwiches in the Valencian mountains do not know what is happening under their feet — what secrets are hidden in the bowels of the rocks!

La Vall d’Uixo — city in the south of the province of Castellon, which is part of the Autonomy of Valencia. It has about 30,000 inhabitants. It has excellent temperature conditions. In summer the maximum air temperature can reach 35ºC, the winter minimum is 3ºC above zero. Not far from the city, in the Parque Natural de la Sierra de Espadán nature reserve, there are grottoes and caves known as Coves de San Josep (in the Valencian dialect) or Grutas de San Jose (Grutas de San José). The largest underground navigable river in Europe flows here, along which boat excursions are organized for those who wish.

Cavities in the earth’s thickness near Castellón, called caves Coves de San Josep (Coves de San Josep), with an underground river running through them, were known to man as early as 17,000 years ago, in the Paleolithic era, as evidenced by archaeological finds discovered in place near the entrance to the estate. This cave was also used by the inhabitants of the Iberian settlement that existed here in the first centuries BC, and the Romans (until the 5th century AD).

Also documented descriptions of « fiesta of flowers ”, dating back to the 19th century, which the people of La Valld’Uixó celebrated near the entrance to the Coves de San Josep. It was considered a manifestation of courage and courage to enter during the holiday inside the cave.

In 1902, two groups of fiesta participants argued which of them had more courage and could move deeper into the cave tunnel. As a result of this competition, one of the young people almost died trying to squeeze into the narrowing of the passage, called Boca del Forn (Boca del Forn). Since then, Boca del Forn has been considered the end point of possible human entry.

Over the following years, interest in cave increased. In 1915, the famous Spanish historian Carlos Sarthou Carreres conducted a partial study of it. In 1926, some participants in the flower festival managed to overcome the Boca del Forn and go to the underground lake of Diana (Lago de Diana), but they had to stop in front of an insurmountable obstacle called the Siphon Gallery (Galería dels Sifóns). In speleology, a «siphon» is an underground tunnel completely filled with water.

In 1929, Vall d’Uixo resident Herminio Arroyas Martínez died trying to pass the siphon gallery. During these years, the first efforts were made to turn the cave into a place suitable for excursions.

In 1936, according to the newspaper Heraldo de Castellón, walking tours of the cave were replaced by boat trips along the underground river. A special small pier was built, and electric lighting of the tunnel was installed.

La Boca de Forn ceased to be the end point of the route in 1950. The narrow opening was widened so that the boat with passengers could pass unhindered.

The first serious exploration of the cave and underground river was carried out by a group of speleologists from the Underground Research Section of the Excursion Center of Valencia in 1954. In 1958, this group drew up the first topographic plan of the cave. November 13, 1960 Joaquin Saludes (Joaquín Saludes), specialist of the Center for Underwater Research of Valencia, for the first time overcame the «gallery of siphons».

In 1961, with the help of dynamite, the passage in narrow places was widened to the size that exists today. A new station has appeared in the excursion route along the underground river — Blue Lake (Estanque Azul). In subsequent years (from 1971 to 1975) new galleries and siphons were opened, which increased the length of the water route to 2348 meters. The total length of the excursion route is slightly longer, since another 250 meters can only be covered on dry land.

Underground Water Tour lasts 40 minutes and takes place at an air temperature of 20ºC. The grottoes are equipped with electric lighting for both surface and underwater space.

In a protected recreational area near the Coves de San Josep cave, tourists can find everything they need to enjoy a relaxing day out: restaurants, bars, two swimming pools, a children’s playground, barbecue ovens and paella …

La Valld’Uixo also offers hiking trails in the Sierra de Espadán nature reserve. In the city itself, it will be interesting to visit the recently opened Spanish-Visigothic necropolis, the complex of the aqueducts de San Jose and Alcudia (acueductos de San José y L’Alcudia), the Ibero-Roman settlement of San Jose, the chapels of Ermita de San Vicente, Ermita de La Sagrada Familia, the churches of Iglesia de Santo Angel (Iglesia del Santo Ángel) and Iglesia de Nuestra Senora de la Asuncion (la Iglesiade Nuestra Señora de la Asunción).

The underground river grotto is located 27 kilometers southeast of the provincial capital, Castellon de la Plana. The entrance is from the A7 motorway, the N340 and N225 national roads towards Nules or Almenara. Then take the internal road CV-230 towards Alfondeguilla and Sierra Espadán.

Paratge Coves de Sant Joseph s/n, La Vall d´Uixo — Castellon:

Tel. and Fax: 964 690576; 964 696761; e-mail [email protected]

The complex is closed on December 25, January 1 and 6

Opening hours:

  • December, January, February, March, April, May: 11.30-13.15 and 15.30-17.45
  • June, July: 11.30-13.15 and 15.30-18.30
  • August: 11.30-13.15 and 15.30-19.15
  • September: 11.30-13.15 and 15.30-18.30
  • October, November: 11.30-13.15 and 15.30-17.45

Admission fee: adults — 9´00€, pensioners — 5´50€, children from 4 to 13 years old — 4´00€, travel agencies, groups from 25 people — 5´50€

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