Follow a narrow rainforest trail to Rio Celeste’s otherworldly blue pools and a photogenic waterfall at Tenorio Volcano National Park. This guided hike combines geology, rainforest wildlife, and a supervised swim in designated areas.
More ways to explore the area's outdoor wonders
Morning light filters through tall rainforest on the Tenorio foothills and the river reveals a color that makes you stop: a milky, powder-blue ribbon carving a narrow gorge. On this guided hike visitors thread single-file over roots and damp boardwalks toward the Rio Celeste waterfall, pause at the Tenideros where two streams meet, and find the Poza Azul where volcanic chemistry turns clear water startlingly blue.
Difficulty
moderate
Duration
5 hours (including transport)
Fitness Level
Moderate fitness: comfortable walking on uneven terrain for 2–4 hours and negotiating short steep sections.
Wildlife
History
Tenorio Volcano National Park protects volcanic terrain and rainforest watersheds; the park’s protection preserves both the unique river chemistry and regional biodiversity.
Conservation
The river’s color is sensitive to runoff and pollution—stay on trails, don’t use soaps in streams, and follow guide rules to minimize impact.
Reserve your spot on the Rio Celeste Waterfall Hike and Swimming at the River 9 people max today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Best season for color
Visit in the dry season (roughly December–April) when lower runoff concentrates the minerals that create Rio Celeste’s vivid blue.
Footwear and footing
The trail is often muddy with exposed roots—wear grippy, quick-dry hiking shoes rather than sandals.
Swimming rules
Swimming is allowed only in specified pools under guide supervision; obey signs and guides to protect yourself and the river chemistry.
Drive time from La Fortuna
Allow about 1.5 hours each way for the transfer—plan for an early pickup to avoid afternoon cloud and crowds.
Sturdy, quick-dry hiking shoes
Provides traction on muddy trails and supports ankles on roots and rocky viewpoints.
Light rain jacket
Protects against sudden showers and keeps you comfortable in humid conditions.
wet-season
Swimwear and towel
Pack swimwear for permitted swimming spots and a towel for the return ride.
Small daypack with water bottle
Carries snacks, water, camera, and layers while keeping hands free for steep sections.