Hike 7 km through Tenorio Volcano National Park to witness the famous turquoise of Rio Celeste, learn why two streams turn the river blue, and finish with a traditional Costa Rican lunch. This full-day guided tour from La Fortuna blends geology, wildlife spotting, and practical rainforest trekking.
Hike 7 km through Tenorio Volcano National Park to witness the famous turquoise of Rio Celeste, learn why two streams turn the river blue, and finish with a traditional Costa Rican lunch. This full-day guided tour from La Fortuna blends geology, wildlife spotting, and practical rainforest trekking.
Stepping off the shuttle, the rainforest takes you in — damp soil underfoot, bromeliads clinging to trunks, and a chorus of unseen birds urging you forward.
Verified experiences and guided adventures in the surrounding area.
Operated by Best Activities in Costa Rica · La Fortuna, Alajuela
Stepping off the shuttle, the rainforest takes you in — damp soil underfoot, bromeliads clinging to trunks, and a chorus of unseen birds urging you forward.
The day begins with a scenic drive from La Fortuna into the foothills of Tenorio Volcano National Park, where volcanic soils and mineral-rich streams have shaped a startling landscape. Geology here is active: volcanic rock and hydrothermal runoff feed the chemistry that turns Rio Celeste an electric blue at Los Teñideros, the famous convergence where two clear streams meet and react to produce the river’s color.
Culturally the area sits between lowland farming communities and protected cloud forest; local guides often point out how traditional cattle ranching gave way to conservation in recent decades. The trail is a 7 km loop (roughly 4 hours of hiking) through uneven, root-strewn rainforest with sections of boardwalk and steep, short climbs. You’ll pass the Rio Celeste lagoon, several lookouts, and the waterfall — where the river plunges in a curtain of bright turquoise.
Expect wildlife sightings (howler monkeys and toucans are common) and constant humidity; the forest seems to move around you, leaves brushing like curious hands. Practical notes: wear grippy hiking shoes, bring a rain shell, and carry at least 2 liters of water. Swimming at the main sites is prohibited to preserve the river’s chemistry. The tour returns to a traditional Costa Rican lunch in the park before a late-afternoon drive back to La Fortuna — a day that pairs accessible adventure with clear ecological lessons about volcanic forces and rainforest resilience.
moderate.
8–9 hours (including transport).
Good aerobic fitness for steady walking, short steep sections, and uneven terrain; able to hike 7 km with breaks.
The trail is about 7 km (roughly 4 hours of hiking) with some short steep sections and uneven, sometimes slippery terrain; it’s rated moderate.
No — swimming is prohibited at the Teñideros and main waterfall to protect the river’s unique chemical balance and fragile pools.
Yes — most tours include complimentary pickup and drop-off from centrally located La Fortuna hotels; confirm your pickup point when booking.
Common sightings include howler monkeys, toucans, hummingbirds, and occasionally sloths or coatis along the trails.
Tenorio’s landscape reflects volcanic activity from the Pleistocene to present; local communities transitioned from ranching to conservation in recent decades to protect watersheds.
The park enforces strict trail use and no-swim rules to preserve mineral balances and protect aquatic life — stay on paths and avoid soaps or sunscreens near streams.
Best Activities in Costa Rica operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.




Stepping off the shuttle, the rainforest takes you in — damp soil underfoot, bromeliads clinging to trunks, and a chorus of unseen birds urging you forward.
Stepping off the shuttle, the rainforest takes you in — damp soil underfoot, bromeliads clinging to trunks, and a chorus of unseen birds urging you forward.
The day begins with a scenic drive from La Fortuna into the foothills of Tenorio Volcano National Park, where volcanic soils and mineral-rich streams have shaped a startling landscape. Geology here is active: volcanic rock and hydrothermal runoff feed the chemistry that turns Rio Celeste an electric blue at Los Teñideros, the famous convergence where two clear streams meet and react to produce the river’s color.
Culturally the area sits between lowland farming communities and protected cloud forest; local guides often point out how traditional cattle ranching gave way to conservation in recent decades. The trail is a 7 km loop (roughly 4 hours of hiking) through uneven, root-strewn rainforest with sections of boardwalk and steep, short climbs. You’ll pass the Rio Celeste lagoon, several lookouts, and the waterfall — where the river plunges in a curtain of bright turquoise.
Expect wildlife sightings (howler monkeys and toucans are common) and constant humidity; the forest seems to move around you, leaves brushing like curious hands. Practical notes: wear grippy hiking shoes, bring a rain shell, and carry at least 2 liters of water. Swimming at the main sites is prohibited to preserve the river’s chemistry. The tour returns to a traditional Costa Rican lunch in the park before a late-afternoon drive back to La Fortuna — a day that pairs accessible adventure with clear ecological lessons about volcanic forces and rainforest resilience.