Costa Rica is Central America’s premier ecotourism destination and one of the world’s most biodiversity-rich countries, containing 5% of global species in just 0.03% of Earth’s surface area. The hiking experience is defined by active volcanoes — Arenal, Poás, Irazú, Rincón de la Vieja — combined with cloud forest, tropical rainforest, mangroves and Pacific and Caribbean coast. Chirripó (3,821m) is the highest peak in Central America and a demanding 2-day summit that rewards with views over both oceans on clear days.
- Chirripó NP (San José region) — Cerro Chirripó (3,821m — highest peak in Central America); 2-day summit; cota fibra shelter system; permit-controlled
- Arenal Volcano NP (La Fortuna) — active stratovolcano; hiking through recent lava fields; hot springs in the surrounding area
- Monteverde Cloud Forest Reserve — one of the world’s most famous cloud forests; hanging bridges; resplendent quetzal habitat
- Corcovado NP (Osa Peninsula) — “the most biologically intense place on Earth” (National Geographic); jaguar, tapir, scarlet macaw; remote coastal rainforest
- Poás and Irazú Volcanoes — accessible crater lake day hikes near San José; both currently partially active
- Rincón de la Vieja NP (Guanacaste) — active volcanic landscape; geothermal pools; waterfalls; diverse dry forest
Corcovado National Park on the Osa Peninsula is one of the world’s most biodiverse places — a mandatory guided entry system now protects the ecosystem while still allowing visitor access. Book a licensed guide through SINAC well in advance for the most remote stations (Sirena).
- Active volcanic terrain — Arenal, Poás, Irazú, Rincón de la Vieja; geothermal activity; lava fields; fumaroles
- Cloud forest (Monteverde, Chirripó) — epiphyte-draped trees; bromeliads; orchids; constant mist and moisture
- Lowland tropical rainforest (Corcovado) — primary rainforest; rivers; coastal mangroves; extraordinary biodiversity
- Chirripó páramo — high-altitude grassland above 3,000m; the páramo ecosystem is the only one of its kind between Costa Rica and the Andes
- Pacific and Caribbean coastline — diverse beach and coastal forest ecosystems on both coasts
- Chirripó summit — 2 days; 3,821m; 19km each way; Los Crestones shelter at 3,400m; 2,000m elevation gain on day 1
- Corcovado to Sirena Station — 2–5 days; 35km coastal route; jaguar, tapir, peccary encounters; guided entry required
- Monteverde hanging bridges — half day; 1,440m; 6 suspended bridges through primary cloud forest canopy
- Arenal 1968 Lava Trail — half day; 1,633m; walk through forest regenerating in 1968 lava fields with volcano views
- Rincón de la Vieja Crater Loop — 1 day; 1,916m; active crater; boiling mud pools; waterfalls
Poás and Rincón de la Vieja have active volcanic activity — always check OVSICORI (Costa Rica Volcanological and Seismological Observatory) alert levels before visiting. Both volcanoes have closed to visitors with little notice due to eruptions in recent years.
- Easy — Monteverde hanging bridges, Poás crater day hike, Arenal 1968 Trail, La Paz Waterfall Gardens
- Moderate — Rincón de la Vieja loop, Corcovado shorter routes
- Hard — Chirripó summit (2,000m gain in one day; altitude); Corcovado multi-day (heat, river crossings, remote)
Chirripó NP: permit system with a strict daily quota (32 hikers per day); advance booking through SINAC (sinac.go.cr) mandatory — often booked out 3+ months in advance; shelter accommodation at Los Crestones must be pre-booked.
Corcovado NP: mandatory licensed guide for all entry; advance SINAC booking required; daily quota applies to each station (Sirena, La Leona, San Pedrillo).
- Monteverde Cloud Forest Reserve: private reserve; daily visitor quota; advance tickets recommended at monteverdeinfo.com
- Swimming in rivers: crocodiles present in lowland river mouths, particularly Pacific coast; always ask locally before entering any river
Book Chirripó permits the moment the booking window opens — they release permits for the next available period on specific dates and fill immediately. Check sinac.go.cr for current booking dates and set a calendar reminder.
- Rain gear — Costa Rica is a tropical country; rain possible year-round; even the dry season brings afternoon showers on the Caribbean side
- Insect repellent — essential in all lowland rainforest; mosquitoes, sand flies; dengue and Zika present in lowland areas
- Leech socks — useful in Corcovado and wet season hiking in humid forest
- Waterproof daypack cover — humidity is extreme; even in the dry season moisture penetrates packs in cloud forest
- Water purification — tap water is drinkable in most Costa Rican towns; backcountry sources require filtration
Police: 911 | Ambulance: 911 | Coast Guard: 2519-9010 | OVSICORI (volcano monitoring): 2244-2736
- SINAC rangers provide rescue coordination in national parks — always check in at the park entrance and leave your route plan
- Corcovado rescue can be slow due to remoteness; helicopter available but response times long from San José
- River crossings in Corcovado — there are no bridges; crossings can be waist-deep and fast-moving; your guide evaluates safety
Corcovado has genuine wildlife hazards — bull sharks in river mouths, American crocodiles in lower rivers, venomous snakes (fer-de-lance, bushmaster) on trails. Your licensed guide knows the protocols; never enter Corcovado without one.
- Dry season (December–April) — best for most hiking; Pacific side drier; trails more manageable; Chirripó visibility best
- Green season (May–November) — heavy afternoon rain; forests incredibly lush; Chirripó trail muddy; Caribbean side slightly drier
- Corcovado — less rain January–April; rivers lower and safer to cross; avoid September–October (heaviest rain)
- Arenal — volcano visible year-round; clearest nights and mornings in dry season
- December–April — best overall for Pacific side and highland volcanoes; dry season; Chirripó summit windows
- July–August — brief “veranillo del buey” (little dry season); reasonable conditions on Pacific side
- Year-round — Monteverde accessible year-round; cloud forest is always misty; dry season slightly better visibility
The “green season” (May–November) in Costa Rica is genuinely rewarding — lower prices, fewer tourists, impossibly lush forest and dramatic afternoon storms. Many experienced Costa Rica visitors prefer the green season for the atmosphere despite the daily rain.
- San José (SJO / Juan Santamaría Airport) — main international gateway; well-connected from North America and Europe
- Chirripó — 3hr bus from San José to San Gerardo de Rivas (Chirripó base); buses twice daily via Cartago and San Isidro
- Arenal / La Fortuna — 3.5hr bus or shuttle from San José; multiple daily departures
- Corcovado — fly San José to Puerto Jiménez or Drake Bay (50 min) or 6hr bus; boats to Sirena station
- Monteverde — 3–4hr by bus/4WD from San José; notoriously rough road is part of the experience
Shared shuttles (Interbus, Grayline) connecting San José with Arenal, Monteverde, Tamarindo and Puerto Jiménez are comfortable, reliable and the best option between major destinations — more comfortable than local buses and far cheaper than private taxis.
- Costa Rica requires drone registration with DGAC (Directorate General of Civil Aviation)
- All national parks and biological reserves — drones prohibited without SINAC special permit
- Chirripó, Corcovado, Arenal, Monteverde — all prohibited for unauthorized drone flights
- Flying near wildlife (birds, mammals) — prohibited under wildlife protection law
Costa Rica takes wildlife protection extremely seriously. Flying drones near wildlife — including the quetzals, scarlet macaws and jaguars that visitors come to see — is prohibited under the Wildlife Conservation Law and can result in significant fines and legal consequences.
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