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Parque Nacional Kaa-Iya del Gran Chaco Bolivia — bosque seco tropical, el mayor del mundo, hábitat del jaguar y el armadillo gigante
jaguar
— National Park · Santa Cruz / Chuquisaca34.411 km²

Kaa-Iya del
Gran Chaco.

34,411 km² of dry forest. Bolivia's largest park. The country's highest jaguar density. Co-managed by the Izoceño-Guaraní community since 1995. The Chaco nobody visits — and should.

Chaco Wildlife ↓How to get there ↓Gallery ↓
Surface area
34,411 km²
Rank in Bolivia
Park nº 1
Dry forest
World's largest
Management
Izoceño-Guaraní
Jaguar
Highest density BO
Access from
Santa Cruz
— How long you need

Three expeditions. One Chaco.

3 days
  • Day 1: Santa Cruz → Charagua (4h) · Izoceño-Guaraní community · briefing
  • Day 2: Dry forest trekking · jaguar tracking · Chaco birdlife
  • Day 3: Dawn at the waterhole · return to Santa Cruz

Minimum to feel the Chaco. Jaguar track tracing at the waterhole dawn is near-guaranteed.

5 days
  • Days 1–2: North sector — Charagua · Guaraní community · dry forest
  • Days 3–4: Park interior — waterholes · giant armadillo · camera traps
  • Day 5: Return and Santa Cruz connection

The complete itinerary. Enough time for two distinct habitat zones and maximised night sightings.

7 days (expedition)
  • Days 1–3: Charagua sector + north interior
  • Days 4–5: Villamontes sector (park south)
  • Days 6–7: Izozo Guaraní communities · ethnobotany · return

The full Bolivian Chaco expedition. Covers north and south with access to Izozo Guaraní communities.

— Things to do in Kaa-Iya del Gran Chaco

Six Chaco experiences.

🐆
Park interior · waterholes

Jaguar Tracking

Bolivia's highest jaguar density

Kaa-Iya has more confirmed jaguar territory than any other Bolivian protected area. Camera traps and local guides consistently find fresh tracks at dawn at the park's aguadas (natural waterholes). A full sighting requires patience and luck — but tracks, scrapes on trees and the resident population are evidence at every visit.

Local tip
Dawn waterhole vigils with a local Izoceño guide produce tracks and camera-trap-style sightings even when the cat itself remains hidden. This is one of the most accessible jaguar-territory experiences in Bolivia.
🦔
Night walks · dry forest

Giant Armadillo

World's largest armadillo — Chaco specialist

The giant armadillo (Priodontes maximus) reaches 60kg and 1.5m — the world's largest. It is a critically endangered specialist of dry forest. Kaa-Iya has one of the healthiest populations in South America. Night walks with guides consistently find burrows and, occasionally, active individuals. Camera trap programmes in the park have documented regular presence throughout the interior.

Local tip
Night walks in the dry forest are the only way to encounter giant armadillos — they are exclusively nocturnal. The sound of digging in the leaf litter ahead of you on a night walk is one of the most electrifying Chaco experiences.
🏹
Charagua · Izozo region

Izoceño-Guaraní Community

Indigenous co-management since 1995

The creation of Kaa-Iya in 1995 was the first time an indigenous community in South America was formally recognized as co-manager of a national park. The Izoceño-Guaraní capitanía (traditional authority) of the Isoso region had been the driving force behind the park's creation — they understood that protecting the Gran Chaco was protecting their ancestral territory.

Local tip
A community visit to the Izozo capitanía in Charagua is the foundation of any Chaco trip. The Guaraní guides's knowledge of the forest — fauna, plants, medicinal species, seasonal patterns — is generational and irreplaceable.
🦅
Park-wide · dawn

Chaco Birding

400+ species including Chaco endemics

Bolivia's Gran Chaco has 400+ bird species including numerous endemics found nowhere else: the Chaco Eagle (Buteogallus coronatus), Quebracho Crested Tinamou, Sandy Gallito, and several Chaco-specialist woodpeckers. The dry forest at dawn — all birds active simultaneously before the heat — produces extraordinary birding. The Chaco is one of the world's most underbirded landscapes.

Local tip
Bring a scope for dry forest birding — many species are in the high canopy of the quebracho trees. The quebracho blanco and quebracho colorado forests are structurally different and have different avifauna — visit both in a 5-day programme.
🌳
Park-wide · guided

Dry Forest Ecology

World's largest dry tropical forest

The Gran Chaco is the second largest ecosystem in South America after the Amazon — and the least known. The Bolivian Chaco is dominated by quebracho (Schinopsis spp.) — one of the hardest woods on earth — and palo borracho (Ceiba chodatii), whose blooms turn the forest pink in spring. The park protects the largest continuous block of this ecosystem anywhere on earth.

Local tip
Visit in October–November for the palo borracho bloom — the pink-flowered trees against the dry forest canopy are extraordinary for photography. Ask your guide to identify the four main quebracho species — each supports different communities of insects, birds and mammals.
💧
Aguadas · dawn and dusk

Waterhole Vigils

The Chaco's wildlife gathering point

In a landscape with little permanent water, the aguadas (natural waterholes) are the focal point of all large-mammal activity. At dawn and dusk, jaguar, tapir, peccary, deer and dozens of bird species converge. A pre-dawn hide at the waterhole edge is the closest thing the Chaco has to a guaranteed large-mammal encounter — in multiple species simultaneously.

Local tip
The most productive aguadas are known to the Izoceño guides and change seasonally. In the dry season (May–October), water concentration at these points is extreme — up to 20+ mammal species may visit a single waterhole in 24 hours.
— Expedition logistics

Getting there and what to bring.

🚗

How to get to Kaa-Iya

  • Santa Cruz → Charagua: 4–5h on the Camiri road (paved to Charagua)
  • Santa Cruz → Villamontes: 6–7h south towards Tarija (park south access)
  • From Camiri: 1–2h more to the park's southern boundary
  • No public transport to the interior — 4×4 and specialist guide essential
  • Chaco specialist operators from Santa Cruz arrange everything
  • Access requires SERNAP permit and coordination with Guaraní capitanía
🎒

What to bring to the Chaco

  • Water: minimum 4–5 litres per person per day — Chaco heat dehydrates extremely fast
  • Long-sleeved shirts and thick trousers — sun, thorns and snake protection
  • High leather or rubber boots — protection from pit viper and rattlesnake
  • DEET 30%+ repellent — Chaco midges are intense at dawn and dusk
  • Wide-brim hat — essential. The sun at 44°C in the Chaco is merciless
  • GPS and offline maps — no data coverage in the park interior
— When to visit the Chaco

When to visit Kaa-Iya.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
May – August
Dry season — ideal
Heat is intense (30–40°C) but manageable. Animals concentrate at waterholes — sighting frequency is maximum. Trails are passable. The Chaco in dry season reveals its wildlife exceptionally.
September – October
Transition — flowers and migrant birds
October brings the palo borracho bloom — the forest turns pink. Austral migrant birds arrive. Heat begins intensifying but wildlife remains excellent.
November – April
Wet season — extreme heat
Temperatures of 40–48°C with high humidity. Some roads become impassable in mud. Wildlife disperses as more water becomes available — waterhole concentration decreases. January–February: heat and rain peak.
— Routes and ecosystems

Connected routes and ecosystems.

Ecosystems
jaguar
Chaco
Kaa-Iya · Izoceño-Guaraní · Jaguar
→
caiman
Pantanal
Otuquis · San Matías · Wildlife
→
Love Bolivia Routes
jaguar
03 · Pantanal/Chaco
El Jaguar
Track the jaguar through Kaa-Iya, the Chiquitanía and Bolivia's Pantanal — the complete eastern wildlife circuit.
8–12 daysfrom €1,930
tatu-carreta
17 · Chaco
El Tatú Carreta
The Gran Chaco circuit — giant armadillo, jaguar tracking, Izoceño-Guaraní community and the most remote landscape in Bolivia.
8–11 daysfrom €1,780
FAQ

Questions about Kaa-Iya.

Everything you need to know about Bolivia's largest park.

Plan your expedition →

Kaa-Iya del Gran Chaco (3,441,115 ha / 34,411 km²) is Bolivia's largest national park and the world's largest dry tropical forest reserve. Created in 1995, it was the first park in South America formally co-managed with an indigenous community — the Izoceño-Guaraní. The name "Kaa-Iya" means "Master of the Forest" in Guaraní.

Kaa-Iya has Bolivia's highest jaguar density. Also: puma, Chaco tapir, three peccary species (collared, white-lipped and Chacoan), giant armadillo (Priodontes maximus), giant anteater, maned wolf (Chrysocyon brachyurus), and 400+ bird species including Chaco endemics. The Chaco is one of the last large jaguar refuges in South America.

From Santa Cruz: to Charagua (4–5h by road, paved, accessing the park north) or to Villamontes (6–7h south towards Tarija, accessing the south). No public transport reaches the park interior — a specialist operator from Santa Cruz is essential. They coordinate 4×4 transport, SERNAP permits, guides and coordination with the Izoceño-Guaraní capitanía.

May to August (dry season) is best: animals concentrate at waterholes, trails are passable, and temperatures are intense but manageable (30–40°C). September–October is excellent too with the palo borracho bloom. Avoid November–April (wet season): extreme heat (40–48°C), some roads impassable, wildlife disperses as water sources multiply.

The Izoceño-Guaraní are an indigenous people of the Gran Chaco who inhabit the Isozo River valley (Isoso region). Their capitanía (traditional indigenous authority) was the driving force behind the creation of Kaa-Iya in 1995 — understanding that protecting the forest meant protecting their territory. Today they formally co-manage the park with Bolivia's National Protected Areas Service (SERNAP). Community visits in Charagua are part of any responsible Chaco itinerary.

The Gran Chaco is not dangerous for well-prepared visitors. Main risks: extreme heat (up to 48°C), water scarcity, thorny vegetation, venomous snakes (pit viper and rattlesnake). Preparation is key: carry 4–5 litres of water per day, wear long sleeves and boots, bring GPS. Megacarnivores (jaguar, puma) are shy and rarely pose danger to humans in this environment.

— Your Gran Chaco expedition

The Master of the Forest
is waiting.

45 minutes. We design your Kaa-Iya expedition with Izoceño guides, 4×4, full logistics and a realistic budget from Santa Cruz.

$90 · €85 · Bs. 623

Book consultation → $90 · €85 · Bs. 623Chaco ecosystem →