Río Camuy Caves

Cueva Clara

The great cave of the classic tour, with enormous chambers, stalactites, stalagmites and vegetation at the entrances.

Cueva Clara is, traditionally, the heart of the visit to the Río Camuy Cave Park and the main cave of the classic tour open to the public (when the park is operating). The walk used to begin with a ride by transport across the karst terrain, descending among the tropical vegetation to the cave entrance, where the jungle and the rock blend in a spectacular frame. Once inside, visitors travel, along established paths and walkways, enormous chambers with soaring ceilings, decorated with stalactites hanging from the ceiling and stalagmites growing from the floor, formations sculpted drop by drop over millions of years. The lighting highlights the whimsical shapes of the rock and the magnitude of the galleries, while the guide explains the geology of the karst, the formation of the caves and the role of the river. At the mouths of the cave, the light from outside and the vegetation create very beautiful contrasts. Getting there: within the park, access to Cueva Clara is part of the guided tour (park currently closed; check reopening). Best time and hours: early, if the park is open. Tips: wear closed, non-slip shoes (the floor may be wet), bring something light and warm (it's cool inside), water and repellent for the outdoor areas. Follow the guide's instructions at all times and don't touch the formations.

ℹ️ Distance: Within the Río Camuy Cave Park (guided tour) · Best time to go: Early if the park is open; CHECK operating status (closed in 2025-2026) · Admission: Park closed (2025-2026); historic pre-closure: US$18 adults, US$13 children 4-12, US$9 seniors 65+ (2021, subject to revision on reopening) · Duration: 1 to 2 hours (part of the tour, when operating)

Tres Pueblos Sinkhole

A gigantic karst sinkhole where the Camuy River plunges, at the point where three municipalities meet.

The Tres Pueblos Sinkhole is one of the most impressive points of the park and the karst landscape. A sinkhole is an enormous natural depression or pit that forms when the ceiling of an underground cave collapses or when water dissolves the limestone, opening a large hole in the surface. The Tres Pueblos one is among the largest and most spectacular, and owes its name to being located at the point where the boundaries of three municipalities meet (hence 'Tres Pueblos', three towns). From its lookouts you take in the magnitude of the karst: a colossal circular pit with vertical walls covered in vegetation, with the Camuy River running at the bottom, entering and leaving the underground world. It's a place that gives the true measure of the force of water and time, capable of boring into the earth to create these abysses. Getting there: it's part of the tour or the park areas (currently closed; check which areas reopen first). Best time and hours: a clear day to appreciate the depth and the landscape. Tips: respect the railings and the limits of the lookouts (the walls are vertical and dangerous), bring suitable shoes, water and sunscreen. Confirm which park areas are open, since the availability of the different points can vary.

ℹ️ Distance: Within the park grounds (depending on the areas enabled) · Best time to go: Clear day; respect railings and lookouts · Admission: Park closed (2025-2026); included in admission upon reopening · Duration: Part of the tour

The underground Camuy River

The river that carved the whole system, one of the largest underground rivers in the world.

The true protagonist of the whole park is invisible for much of its course: the Camuy River. It rises in the heights of the island's center, in the Cerro Las Palmas area, in Lares, and on reaching the strip of limestone in the north it plunges underground, where it runs hidden for kilometers before reappearing on the surface. It's considered one of the largest underground rivers in the world. It was that river which, over millions of years, dissolved and bored through the limestone to create the whole system of caves, caverns, galleries and sinkholes that astonish the visitor. At different points along the tour you can see or hear the river running at the bottom of the caves and the sinkholes, a reminder of the force that shaped this underground world. Precisely because it's an active river, floods during intense rains can affect the safety of the visits and cause temporary park closures; in fact, the damage from Hurricanes Maria (2017) and Fiona (2022) to the river's setting and the infrastructure is the main cause of the current closure. How to see it: the river is seen or sensed at several points of the guided tour, when the park is operating. Best time to go: the dry season, with lower flow and less risk of closures.

ℹ️ Distance: Runs through the karst subsurface (visible at points of the tour) · Best time to go: Dry season (lower flow, less risk of closures) · Admission: Observed within the park tour (closed 2025-2026) · Duration: Part of the tour

The karst landscape and the mogotes

The unique relief of mogotes and tropical vegetation surrounding the caves, in the heart of the northern limestone strip.

The Río Camuy Cave Park is nestled in the heart of the northern karst, one of the most singular geographies in Puerto Rico, so the surface landscape is as much a part of the visit as the underground world. The karst is characterized by mogotes — rounded hills, covered in tropical jungle, that look like green sugar loaves — and by the sinkholes and depressions where the water plunges into the earth. The journey to the caves, often by internal transport, crossed this lush landscape, with dense vegetation, ferns, tropical trees and the song of the birds and the coquí. It's an area of great ecological richness, habitat for bats (important for the cave ecosystem), birds and flora adapted to the karst environment, and fundamental for the aquifers that supply water to the north of the island. How to enjoy it: the karst landscape is appreciated both within the park (closed 2025-2026) and on the region's roads, in Camuy and neighboring municipalities, which remain open to the public. Best time to go: clear days. Tips: bring repellent and sunscreen, make stops at lookouts and safe areas, and take the chance to tour the karst's outdoor landscape even if the park is closed.

ℹ️ Distance: Park surroundings and the northern karst strip · Best time to go: Clear days · Admission: Park closed (2025-2026); the karst roads are public and free · Duration: Part of the tour or half a day around the region

Cueva del Indio and Arecibo lighthouse (nearby alternative)

While the Camuy park is closed, the nearby Cueva del Indio and the Arecibo Lighthouse Park are good karst-and-coast alternatives.

With the Río Camuy Cave Park closed, many travelers seeking the northern-karst experience opt for the nearby Cueva del Indio, in Arecibo (about 20-30 minutes away), a privately accessed site with Taíno petroglyphs carved into the rock beside the sea, and for the Cueva del Indio Ceremonial Park or the Arecibo Lighthouse Park, with its lighthouse, cliffs and family attractions. They're not exact substitutes for Camuy, but they let you experience the region's karst and archaeological landscape while waiting for the reopening. Another nearby alternative is the Arecibo Observatory (whose operating status is also worth checking after the 2020 collapse) and the beaches and pools of the northwest, like those of Quebradillas and Isabela. Combining these stops lets you put together a full day around the north and the karst even without being able to enter the Camuy caverns. Getting there: by car, via the PR-2 and local roads between Camuy, Hatillo and Arecibo. Best time and hours: clear days; check the hours of each site, which can vary. Tips: check the operating status of each attraction before setting out, since several areas of the north were affected by the recent hurricanes.

ℹ️ Distance: Arecibo, about 20-30 min from Camuy (car) · Best time to go: Clear days; check the hours · Admission: Cueva del Indio (Arecibo): about US$5-10 per person (2025, reference, confirm); Arecibo Lighthouse Park: about US$5 (2025, confirm) · Duration: 2 to 4 hours

Karst towns and cuisine (Camuy, Hatillo, Lares)

The towns surrounding the cave system, with their mountain cuisine and rural atmosphere.

While awaiting the park's reopening, it's worth getting to know the three municipalities that share the cave system: Camuy, Hatillo and Lares. They're towns of agricultural and ranching tradition, surrounded by the karst's characteristic landscape — rounded mogotes, coffee plantations and pastures — with traditional plazas, churches and a quiet pace of life, very different from that of the coastal tourist areas. The region's cuisine is one of its great attractions: lechoneras serving spit-roasted pork, criollo mountain cuisine, typical sweets and, in the Lares area, the ice-cream tradition with exotic flavors that draws visitors from all over the island. Touring these towns lets you experience a more rural and authentic side of Puerto Rico, far from the beaches and the big resorts. Hatillo is also known for its Festival of the Masks (Día de los Inocentes, in December), a deeply rooted tradition, while Lares carries a strong symbolic weight in the island's political history for the Grito de Lares of 1868. Getting there: by car, traveling the roads that connect Camuy, Hatillo and Lares. Best time and hours: any day, though on weekends there's more activity in the plazas and lechoneras. Tips: take the chance to try the mountain cuisine and, if it coincides with December, the Hatillo Festival of the Masks.

ℹ️ Distance: Municipalities of Camuy, Hatillo and Lares (car) · Best time to go: Weekends for more local activity · Admission: Free (touring the towns is free); food and shopping separate · Duration: Half a day