Witness the surreal turquoise of Rio Celeste and hike Tenorio’s volcanic forests. This guide covers what to expect on the 6 km trail, why the river turns blue, and practical tips for a safe, low-impact visit.
More ways to explore the area's outdoor wonders
You step onto a damp trail and the forest answers: leaves drip, birds call, and the air smells of wet earth and volcanic minerals. Within the first kilometer the canopy opens and the river ahead signals its presence — an impossible, saturated blue that seems to push the landscape into sharper focus.
Difficulty
moderate
Duration
2–5 hours
Fitness Level
Suitable for people in light to moderate fitness; expect uneven terrain and stair sections over several kilometers.
Wildlife
History
The park conserves the Tenorio volcanic massif and surrounding rainforest, protecting water sources and unique volcanic features that shape the Celeste River’s color.
Conservation
The river’s color depends on delicate chemistry; stay on trails, avoid soaps or contaminants, and follow ranger rules to minimize visitor impact.
Reserve your spot on the Ticket to Tenorio Volcano National Park today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Book your entry window ahead
Park admission is limited and operates during set hours—reserve your official digital ticket to guarantee entry and avoid lines.
Start early for light and wildlife
Begin on the first permitted entries to avoid crowds, get better light for photos, and increase chances of seeing monkeys and birds.
Wear grippy, water-resistant shoes
Trails include muddy sections, roots and stone steps; waterproof hiking shoes or trail runners improve traction and comfort.
Carry a refillable water bottle and pack out trash
Water sources are limited on the trail—bring 1–2 liters—and pack out all waste to protect the river’s chemistry.
Waterproof hiking shoes
Provide traction and protect feet on muddy, rocky trail surfaces.
Light rain jacket
Quick showers are common—pack a breathable rain layer to stay dry and comfortable.
summer
1–2 L hydration system or bottles
Trails are exposed in sections and hydration stations are limited; bring enough water.
Insect repellent & sun protection
Protects against mosquitoes in humid forest sections and UV on exposed viewpoints.