A full-day river journey from Alter do Chão into the Arapiuns offers beaches, dunes, close-up wildlife and riverside community visits. Choose between an easy 2.5 km shoreline walk, a canoe exploration of sheltered arms, or beach-hopping swims and a native lunch.
More ways to explore the area's outdoor wonders
You push off from Alter do Chão as morning light polishes the Tapajós; the river seems to pull you forward, guiding the boat around a curve into the Arapiuns where rock banks and long white sand beaches wait. Birds quarter the sky while the engine hums — the river is an eager companion, showing coves, channels and the slow-motion life of floodplain forest.
Difficulty
easy
Duration
8 hours (one-day) or 1–2 days for overnight option
Fitness Level
Suitable for light to moderate fitness—able to board small boats and walk up to 2.5 km on sandy terrain
Wildlife
History
Riverside towns around Alter do Chão grew from rubber and river-transport economies; local craft traditions reuse seeds and palm fibers that have long been part of subsistence culture.
Conservation
Respect for seasonal river dynamics is central—communities practice low-impact tourism and visitors are encouraged to buy local crafts and avoid single-use plastics.
Reserve your spot on the Alter do Chão Arapiuns River Tour today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Bring cash for crafts
Many community artisans accept cash only—small bills in Brazilian real are useful for buying handicrafts and tipping hosts.
Wear sand-friendly footwear
Sandy trails and beach landings are easiest in sneakers or sturdy sandals that can get wet.
Protect against insects and sun
Mosquitoes are common near vegetation and sun exposure is high on open beaches—use repellent and sunscreen.
Plan for boat motion
If you’re prone to seasickness, take preventative medication—the trip includes multiple short boat transfers across choppy river sections.
Light daypack
Carries water, camera, insect repellent and purchases from communities.
Reef-safe sunscreen & sun hat
Protects from strong equatorial sun during beach stops.
summer
Insect repellent with DEET or picaridin
Helps prevent mosquito bites in riverine forests and dusk hours.
spring
Waterproof dry bag
Keeps electronics and documents dry during boat transfers and unexpected rain.
rainy