Take an 11-hour day trip from Bariloche to the Manso River for two hours of moderate whitewater, guided equipment, and a post-raft lunch. Expect glacial valleys, Valdivian forest, and a safety-first run that suits fit beginners and experienced rafters alike.
Take an 11-hour day trip from Bariloche to the Manso River for two hours of moderate whitewater, guided equipment, and a post-raft lunch. Expect glacial valleys, Valdivian forest, and a safety-first run that suits fit beginners and experienced rafters alike.
You step onto Route 40 before dawn and the Andes slide into view—granite ridges cut the light and the Manso River waits below, restless and clear. Guides fit neoprene suits and life jackets while the river, cold and fast, seems to dare you to move. Two hours of whitewater follow: waves that shove the raft, calm backwaters that let you breathe, and a run that finishes at the Chilean border before the van carries you back to the warmth of lunch.
Verified experiences and guided adventures in the surrounding area.
Operated by Gray Line Argentina · San Carlos de Bariloche, Río Negro
You step onto Route 40 before dawn and the Andes slide into view—granite ridges cut the light and the Manso River waits below, restless and clear. Guides fit neoprene suits and life jackets while the river, cold and fast, seems to dare you to move. Two hours of whitewater follow: waves that shove the raft, calm backwaters that let you breathe, and a run that finishes at the Chilean border before the van carries you back to the warmth of lunch.
The Manso is a glacial-born watercourse carved from volcanic rock and moraines left by retreating ice. Its valley carries Mapuche history and the later patagonian settlers’ routes that fed Route 40. The riparian forest here is part of a temperate Valdivian system—old-growth trees, thick understory, and riverside wildlife shaped by steep topography and seasonal snowmelt.
Practical notes: the full experience is a long day (about 11 hours including transfers) with roughly two hours on the river. Operators supply neoprene suits, helmets, windbreakers and life jackets; you’ll get a safety briefing before launching. The run is rated moderate—challenging but accessible to fit beginners with good guidance; children under 14 are not permitted. Bring a swimsuit, quick-dry base layers, secure water shoes and a towel for after the river. Hydrate before the trip and carry any necessary medications; a passport is mandatory since the route approaches the Chilean border.
Finish with the optional mini-trek into the Valdivian forest to extend the day: mossy trunks, bird calls, and a slow walk that balances the river’s adrenaline with quiet green space.
moderate.
11 hours.
Moderate fitness: comfortable with sustained activity, able to follow safety instructions and swim if needed
You’ll spend about two hours on the river; the full outing including transfers, briefing and lunch runs around 11 hours.
Children under 14 are not permitted on this activity. Age and health requirements are strictly enforced for safety.
No prior experience is necessary—guides provide technical briefings and instruction—though a moderate fitness level and basic swimming ability are recommended.
The operator cancels for unsafe conditions; the tour is listed as all sales final, so check cancellation details before booking and confirm weather policies with the provider.
The Manso valley was shaped by Pleistocene glaciers and later used by Mapuche communities and early settlers along Route 40, becoming part of regional transport and resource routes.
The river corridor is sensitive to erosion and invasive species; follow guide instructions, avoid disturbing riparian vegetation and carry out all waste to minimize impact.
Gray Line Argentina operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.




You step onto Route 40 before dawn and the Andes slide into view—granite ridges cut the light and the Manso River waits below, restless and clear. Guides fit neoprene suits and life jackets while the river, cold and fast, seems to dare you to move. Two hours of whitewater follow: waves that shove the raft, calm backwaters that let you breathe, and a run that finishes at the Chilean border before the van carries you back to the warmth of lunch.
You step onto Route 40 before dawn and the Andes slide into view—granite ridges cut the light and the Manso River waits below, restless and clear. Guides fit neoprene suits and life jackets while the river, cold and fast, seems to dare you to move. Two hours of whitewater follow: waves that shove the raft, calm backwaters that let you breathe, and a run that finishes at the Chilean border before the van carries you back to the warmth of lunch.
The Manso is a glacial-born watercourse carved from volcanic rock and moraines left by retreating ice. Its valley carries Mapuche history and the later patagonian settlers’ routes that fed Route 40. The riparian forest here is part of a temperate Valdivian system—old-growth trees, thick understory, and riverside wildlife shaped by steep topography and seasonal snowmelt.
Practical notes: the full experience is a long day (about 11 hours including transfers) with roughly two hours on the river. Operators supply neoprene suits, helmets, windbreakers and life jackets; you’ll get a safety briefing before launching. The run is rated moderate—challenging but accessible to fit beginners with good guidance; children under 14 are not permitted. Bring a swimsuit, quick-dry base layers, secure water shoes and a towel for after the river. Hydrate before the trip and carry any necessary medications; a passport is mandatory since the route approaches the Chilean border.
Finish with the optional mini-trek into the Valdivian forest to extend the day: mossy trunks, bird calls, and a slow walk that balances the river’s adrenaline with quiet green space.