--- title: Arenales River Caving, Waterfall &Tropical Forest Secret Spring lang: en type: tour city: Puerto Rico country: Caribbean price: 111 currency: EUR price_unit: per_person availability: bookable rating: 4.98 reviews: 1775 duration_minutes: 420 duration_max_minutes: 480 languages: [en, es] free_cancellation: true guidekin_pick: Long river trek, small group rank_in_category: 1 of 71 (Day Trips) schedule_checked: 2026-09-19 data_updated: 2026-09-20 canonical: https://guidekin.com/caribbean/puerto-rico/tours/arenales-river-caving-waterfall-tropical-forest-secret-spring/ --- # Arenales River Caving, Waterfall &Tropical Forest Secret Spring **Guidekin's take:** A long day of river trekking, floating through limestone caves and swimming green pools in the forest west of San Juan, with optional cliff jumps and an early start in a small group. Transport, water and parking are included, lunch is not, and it asks for a high level of fitness. 4.98 from 1775 reviews at €111 per person. ## Overview A fun and adventurous day hiking, river trekking and floating through caves and beautiful greenish blue pools (optional cliff jumping too). Swim through breathtaking limestone canyons, stunning caves and unique rock formations carved by the passing of the river, surrounded by beautiful, lush tropical forest scenery and a waterfall. An early start (to avoid the crowds) and smaller groups guided by an experienced and Certified Tour Guide provides a safer, more intimate and immersing experience with insightful information of the island. Later enjoy some authentic delicious puertorrican food at a local restaurant. End your day hiking a short trail to a small hidden natural spring with pristine water, while learning about the local plants and trees. An unforgettable experience for adventurers seeking less touristic favorite local spots. Tour requires GOOD PHYSICAL FITNESS, balance, flexibility, river trekking skills and BASIC SWIMMING SKILLS. Closed sturdy water/hiking shoes required. ## Key facts - Price: from €111 per person - Duration: 7h–8h - Rating: 4.98/5 from 1775 reviews (collected from Guidekin & Viator & Tripadvisor) - Free cancellation (see policy below) - Operator: Puerto Rico as a Local ## What's included - Bottled water - Life Vests if requested - Air-conditioned vehicle - Parking Fees ## Not included - Gratuities - Lunch ## Itinerary 1. **Vega Baja** (3h) - Get ready to be amazed, get wet and enjoy some adrenaline almost as soon as this adventure starts. After a few minutes of walking downhill, we will encounter the river where it forms beautiful greenish blue pools and start swimming through a breathtaking small canyon carved... 2. **Manati** (1h) - Lunch stop at a local restaurant which offers a great selection of local and authentic puertorrican cuisine at reasonable prices. (cost not included). 3. **Manati** (1h 15m) - Will visit a Nature Reserve to hike a short trail leading to a small hidden natural spring, while learning about the local plants and trees of the area. The spring Is a beautiful oasis in the middle of a forest where the water is just pristine and completely clear, for sure... ## Schedule - Runs: daily - Departures: 07:00 - Schedule last checked: 2026-09-19 - These are published departures, not a live seat count; availability is confirmed at checkout. ## Cancellation For a full refund, cancel at least 24 hours before the scheduled departure time. ## Good to know - Not recommended for travelers with spinal injuries - Not recommended for travelers with poor cardiovascular health - Not recommended for pregnant travelers - Travelers should have a high level of physical fitness ## How it compares in Day Trips Ranked **#1 of 71** by Guidekin's weighted score (rating weighted by review volume). Alternatives worth comparing: 1. [el-yunque-rainforest-and-luquillo-kiosk-day-trip](https://guidekin.com/caribbean/puerto-rico/tours/el-yunque-rainforest-and-luquillo-kiosk-day-trip/?format=md) — 5.0 (598) 2. [self-drive-mini-boat-snorkeling-tour-to-icacos-island](https://guidekin.com/caribbean/puerto-rico/tours/self-drive-mini-boat-snorkeling-tour-to-icacos-island/?format=md) — 4.96 (1945) 3. [Full-Day Zipline and Waterfall Rappelling Adventure Near San Juan](https://guidekin.com/caribbean/puerto-rico/tours/full-day-zipline-and-waterfall-rappelling-adventure-near-san-juan/?format=md) — €124 per person, 4.97 (958) Full list: https://guidekin.com/caribbean/puerto-rico/day-trips-from-san-juan/?format=md ## More in Puerto Rico - All Puerto Rico tours: https://guidekin.com/caribbean/puerto-rico/?format=md - This page as HTML: https://guidekin.com/caribbean/puerto-rico/tours/arenales-river-caving-waterfall-tropical-forest-secret-spring/ ## Query this catalogue with URLs Every listing accepts filter parameters directly in the URL, so you can hand a user a link that already matches their constraints. Combine freely on https://guidekin.com/caribbean/puerto-rico/: | Group | Parameters | Values | |---|---|---| | Language of the tour | `language` | any ISO 639-1 code an operator lists, e.g. en, es, fr, de, it, pt, ru, uk, tr, hi. 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