

Cuevas Arenales Caves
With its deep-blue swimming hole and rock formations that have been formed over millions of years, Cuevas Arenales is a cave complex attracting adventurous travelers and nature lovers alike. Often touted as one of Puerto Rico’s must-visit caves, it offers scenic hikes, hidden springs, underground cave paths, and idyllic swimming spots.
Ways to visit Cuevas Arenales Caves
Cuevas Arenales is often visited on small-group tours from popular tourist areas in San Juan. Travelers typically choose guided tours to lead the way on tested routes through the caves and provide essential equipment such as life jackets. These tours also tend to include opportunities for fording underground rivers, swimming, exploring underground caves, visiting hidden springs, and stopping at points of interest throughout the cave complex.
Things to know before you go to Cuevas Arenales Caves
Be ready to get wet during a cave tour, as the route typically involves pathways through bodies of water.
Bring swimwear and good footwear such as water shoes, as the hike can be slippery.
Good physical fitness is required.
Due to steep and irregular terrain, hiking here isn’t advisable for young children.
The area is not wheelchair-accessible.
How to get to Cuevas Arenales Caves
It takes roughly 45 minutes to drive to Cuevas Arenales Cave from the San Juan area, so it may be preferable to go on a guided tour that offers round-trip transport. If you’re driving from San Juan, take Route 22 west to Exit 35, then Route 160 South towards the Cuevas Arenales area. Parking is available nearby.
Trip ideas
When to visit Cuevas Arenales Caves
Due to the site’s popularity, it’s best to visit earlier in the day to avoid potential crowds. If you’re driving, there’s also a higher chance of getting a parking spot earlier in the morning, as parking is limited in the area. The best time to visit is during the shoulder season from mid-April to June, which has mild weather and fewer crowds than winter and summer.
The Best Caves in Puerto Rico
Puerto Rico has dozens of spectacular caves where travelers can enjoy sporty activities such as rock climbing, rafting, hiking, and rappelling. In addition to Cuevas Arenales, it’s worth checking out Cañon de Tanamá near the Utuado river. Río Camuy Cave Park is known for its gigantic cave systems with stalagmites, stalactites, and sinkholes. Another notable cave is Cueva del Viento, which is located in Guajataca State Forest in Isabela.
- Bacardi Rum Factory (Casa Bacardi)
- Castillo San Felipe del Morro
- Old San Juan
- San Juan National Historic Site (Sitio Histórico Nacional de San Juan)
- Museum of the Americas (Museo de las Américas)
- Chapel of Christ (Capilla del Cristo)
- San Juan Cathedral (Catedral de San Juan Bautista)
- Paseo de la Princesa
- La Fortaleza (The Fortress)
- Castillo San Cristobal
- Old San Juan Piers
- Fine Arts Miramar
- Luis A. Ferré Performing Arts Center (Centro de Bellas Artes Luis A. Ferré)
- Museum of Art of Puerto Rico (Museo de Arte de Puerto Rico)
- San Juan Bay