Overland Trip With Kids: How to Plan as a Family
How to plan an overland trip with kids through South America: documents, vehicle safety, daily routine, education on the road and children's health.

Overland trip with kids: how to plan as a family
The question that comes up regularly in every Brazilian overlander group: "can you do this trip with a kid?". The short answer is yes, and in many cases, with a kid the trip gets even better, not worse. The long answer requires recognizing that the logistics change, the pace changes, and some decisions need to be re-evaluated. Whoever ignores these changes and tries to do an "adult trip with a kid along" suffers. Whoever adjusts the trip to family reality discovers one of the richest experiences the road offers.
This article is for whoever is considering taking a child on an overland trip, whether a short two-week trip along the border or a long months-long route through South America. It applies to a family with a child of any age, with adjustments for each age group.
In short: an overland trip with a kid requires adjustments on four fronts: documentation (a minor's authorization for the border, their own passport, up-to-date pediatric vaccination), the vehicle (an adequate car seat, shade, space to play at the stops), the routine (reduced mileage, frequent stops, respected meal and nap times), and informal education (the road becomes a classroom). The trip gets slower, and the changed pace is almost always worth it.
Is it worth taking a kid?
Before the logistics, the honest question. Taking a kid on an overland trip:
Is especially worth it when:
The child already travels well by car (short distances without a constant crisis).
The couple/guardians have the patience for a slower pace.
The itinerary is flexible enough to adapt when needed.
The child is old enough to build a memory of the trip (from 4-5 years old, memories start to stick).
Is worth rethinking when:
A very small baby (under 6 months) on a long international trip: a big physical challenge, little enjoyment of the scenery.
An itinerary with extreme altitude (above 4,000m): a child suffers more than an adult from a lack of oxygen.
A child with a continuous medical need that requires a nearby hospital.
A trip with many days in a row on a deserted route with no mid-size city.
Older babies (6-18 months) usually travel well: they sleep a lot in the car and adapt fast. Preschool age (2-4 years) is the group that tires you out the most because it demands constant attention. Above 5, a child starts to participate actively: asking, observing, helping to plan. A teenager makes the trip almost an adult trip.
Specific documentation
The child adds layers of documentation to everything already required for an adult.
Minor travel authorization. A document that authorizes the child to travel without one of the parents (or without both, as the case may be). For international travel, it's mandatory at almost every South American border.
International with both parents together in the vehicle: a filiation document (birth certificate) is enough.
International with only one of the parents: an authorization from the absent parent with a notarized signature.
International with neither parent (a child with a grandparent, uncle, guardian): an authorization from both parents, with a notarized signature and, in some countries, with a sworn translation.
Attention: some borders require that the authorization was issued less than 60 or 90 days ago. Get it close to the trip.
Passport. Every Brazilian child needs their own passport to travel internationally. It's not enough to be on one of the parents' passports. That model no longer exists. The validity of a child's passport is shorter than an adult's (5 years for children up to 12), so check beforehand.
Pediatric vaccination. Basic schedule up to date (BCG, hepatitis, pentavalent, MMR, etc). Specific travel vaccines (yellow fever above 9 months, hepatitis A in a second dose) according to age. The pediatrician advises. Schedule a consultation 45 days before.
Medical prescription. If the child uses continuous medication, take a legible prescription in PT (and a translation to Spanish if possible), it makes it easier to buy at a local pharmacy if you run out.
Vehicle and safety
The base rule doesn't change: an adequate car seat for the age/weight, correctly fixed, on all driven stretches. But some specific decisions weigh more on a long trip:
Car seat for a long trip. A model with good ergonomics, reclining (the child will sleep a lot in the car), with side protection. An urban-use model can get uncomfortable after 4-5 hours. It's worth investing in a "long ride" model if the trip foresees long days.
Shade. The sun hits hard on an altiplano road, a desert, Patagonia in summer. Window film on the side glass (if allowed by local law) or internal curtains. In a motorhome and adapted van, it's easier to solve.
Space to play at the stops. The car is the "trip's bedroom". For a child, sitting 6 hours on the seat and stopping 20 minutes to stretch doesn't work. Stops need to be longer and in a place where they can run (a big gas station, a square, a park, a safe viewpoint).
Essential items always accessible: water, a snack, a diaper (if applicable), a wet wipe, a trash bag, a book/onboard toy, a change of clothes.
Front or back seat? For safety, a child is always in the back. On a long trip, it's worth alternating who drives and who stays in the back with the child. Whoever is in the back can entertain, distract, attend to needs without stopping.
The daily routine changes, and that's okay
Here lies the most important adjustment. Mileage drops by half or more. What a lone adult does in 8 hours, a family with a child does in 12, because the routine includes:
Stops every 1h30 to 2h (bathroom, stretch, eat some fruit).
Lunch sitting down (not eating in the car, or eating calmly at a table stop).
The child's nap. Fit the most tiring stretch of the road into that time.
An early arrival at the destination: a child having dinner at 6 pm and sleeping at 8 pm requires the day's last stretch to end before 5 pm.
What pace works in practice:
A lone adult or a couple: 500-700 km/day, comfortable.
A couple with a small child (up to 6 years): 300-400 km/day.
A family with a school-age child: 400-500 km/day.
The consequence is that itineraries need to be rethought in duration. The trip an adult does in 20 days, a family does in 30. Whoever accepts this adjustment has a good trip. Whoever tries to force the adult pace turns it into a car marathon with a daily family crisis.
Use GT Overlander to plan stops suited to a family trip, by describing the trip in natural language, the AI builds the route with stages and estimates. Useful for gauging shorter days and finding stops in mid-size cities with infrastructure for a child.
Education on the road
A long trip requires a decision about school. Three common paths:
A short trip during the school period (up to 2 weeks): arrange complementary activities with the school: a travel diary, photos, a small presentation on return. Most schools accept a justified absence in this format.
A medium trip (1-3 months) during the school term: informal homeschooling keeps the child in the rhythm of reading, counting and writing. It doesn't replace formal school, but it avoids total loss. School material sent as a PDF, exercises done in a common notebook, daily reading. Some schools allow a temporary suspension.
A long trip (6+ months) or indefinite: consider officialized homeschool/worldschool. In Brazil, it's still a legally complex topic. An alternative: enroll the child at the start or end of the school year, travel during an extended vacation period, or use structured digital content (Khan Academy, MEC).
The trip's informal education. Regardless of the format, an overland trip delivers:
Real geography: a physical map, identifying relief, vegetation, climate.
Language: Spanish in everyday life, interaction with locals.
History and culture: pre-Columbian sites, museums, contact with native peoples.
Biology: fauna in parks, vegetation in different biomes.
Coexistence and adaptability: social skill, patience, problem-solving.
More education per month of travel than a year of the classroom in several subjects.
Specific children's health
A pediatrician before the trip. A consultation 45 days before to check vaccines are up to date, prescribe altitude medication (if applicable), attest to general health.
Pediatric travel vaccines. Yellow fever above 9 months (mandatory for Bolivia, Peru, Colombia). Hepatitis A in a second dose. MMR up to date. COVID according to the current protocol.
A medical kit with pediatric items. Everything from the adult kit, plus:
A digital children's thermometer.
Pediatric painkiller/antipyretic (paracetamol or ibuprofen, as advised).
Oral rehydration solution in a sachet.
Children's bandages (a band-aid with a drawing helps them accept it).
Repellent formulated for a child (don't use adult repellent on a small child).
Pediatric sunscreen SPF 50+.
Altitude. A child suffers altitude sickness faster and stronger than an adult. A very gradual climb. At high altitude (>3,500m), doubled attention to a heavy head, vomiting, loss of appetite. A strong symptom = go down.
Traveler's diarrhea. Common in a child changing water/food. Intense hydration, oral solution, light food. In a strong case, see a doctor. Child dehydration is serious.
When it's NOT worth the risk
Honesty that many people avoid saying:
A baby under 4 months: a long trip is very costly, with little enjoyment for everyone.
A stretch with altitude > 4,000m for many days in a row: a real risk for a child. Southwest Bolivia with a small child requires careful evaluation.
A route with a lot of severe ripio: extreme discomfort for a child who gets carsick. The interior Carretera Austral gets uncomfortable.
An itinerary with few mid-size cities: a child's emergency on a deserted route is a difficult scenario.
A family going through a difficult moment (divorce, grief, crisis): a long trip amplifies it, it doesn't dilute it.
None of these is "prohibited". Some travel anyway and it works out. But recognizing the challenge before leaving reduces frustration later.
FAQ
From what age is it worth taking a child on a long overland trip?
From 6 months, the trip becomes viable. Between 3-6 years is the group that tires you out the most. Above 5-6, a child participates actively. The choice isn't "what's the ideal age", it's "how do I adapt the trip to the age I have".
Can I do official homeschool during the trip?
In Brazil, homeschool still has regulation being built. The most common path: arrange with the school a model of "enrollment with a justified absence" or a temporary suspension. On a long international trip, some states accept that the child takes assessments on return.
How to avoid a child's car sickness?
A well-positioned car seat (high enough to see the scenery), airing the environment, avoiding a heavy meal before hitting the road, an early stop at the first symptoms. Pediatric dimenhydrinate (Dramin) only with medical advice.
Is it worth doing an overland trip without the other parent (a single-parent family)?
It's worth it, with extra adjustments. Documentation becomes simpler (no need for the other parent's authorization), but the daily logistics are heavier because everything falls on one adult. A shorter itinerary, longer stops, and doubled attention to your own rest help.
And if a medical emergency happens on the route?
A mid-size city in any South American country has a public hospital. For a child, emergency care is practically universal and generally free or very cheap. International health insurance with pediatric coverage is prudent. Some plans have specific coverage for minors.
To wrap up
An overland trip with a child isn't a "harder" version of an adult trip, it's a different trip. Slower, more detailed, with stops that lone adults wouldn't make, with questions that change the way you look at what's around. The child turns the traveler into someone more patient, more observant, more present. And what they take from the trip, the geography they learned driving, the language they truly heard, the sense that the world is big and varied, can't be reproduced in a classroom. The logistics weigh at the start. The following years show it was worth every kilometer.
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Rangel Machado
Empresário e viajante. Fundou o GT Overlander pra ser o app que ele mesmo queria ter na própria estrada, e desde então lidera produto e visão ouvindo de perto quem viaja.
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