Ruta X-731 – Putre to Parinacota Altiplano Loop
Ancient villages in Chile's highest altiplano
The X-731 branches off from Putre into some of Chile’s most remote altiplano country, connecting traditional Aymara villages like Parinacota and Chucuyo through gravel tracks above 4,300 meters. The route passes Lago Chungará and skirts the base of Volcán Parinacota, with technical sections through volcanic sand and river crossings that can strand vehicles during the wet season. Ancient stone churches and terraced agricultural sites dot the landscape, remnants of pre-Columbian settlement.
Moderate to difficult terrain requires high-clearance 4WD and altitude preparation – you’re above 4,000 meters for most of the route. June through September offers the driest conditions, but temperatures can drop below freezing at night year-round. Fuel up in Putre and carry extra water and food; villages have limited supplies. The isolation and cultural immersion make this one of Chile’s most authentic backcountry experiences, but respect the altitude and weather.
Trail Specs
| Difficulty | Difficult |
|---|---|
| Trail Type | Overland Route |
| Surface | Gravel, Mixed, Sand |
| Features | Camping, High Altitude, Historic, Remote |
| Length (miles) | 45 mi / 72.4 km |
| Duration | 2-3 days |
| Max elevation (ft) | 14100 ft |
| Best season | June-September |
| Minimum vehicle | High-clearance 4WD |
| Nearest town | Putre, Arica and Parinacota |
| Land manager | CONAF |
| Permit required | No |
| Cell service | None |
| Water crossings | Yes |
| Dispersed camping | Yes |
| Start coordinates | |
| End coordinates | |
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| Find on Google | Search on Google → |
Location
Trail Conditions
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Frequently asked questions
Can a stock Hilux or 4Runner handle this route, or do I need a built rig?
A stock high-clearance 4WD is the minimum — think Hilux, 4Runner, or Land Cruiser with at least 8 inches of clearance. Lift kits and aggressive tires help on the sand sections, but a capable stocker in good mechanical condition can complete it. Don't attempt it in a 2WD or crossover.
Is this loop accessible year-round or does it close in winter?
Best season is June through September — dry, stable conditions with firm tracks. The altiplano wet season (December–March) brings flash floods and washed-out crossings that can trap you for days. Spring and fall are hit or miss; check recent conditions before committing.
Do I need permits to drive this route, and is there a fee?
No specific permit is required to drive the loop itself, but if you enter Lauca National Park territory, CONAF manages the area and may have entry fees — roughly a few thousand Chilean pesos. Carry cash; there are no card readers out here.
What's the hardest section and what makes it dangerous at 14,100 feet?
The sand tracks near the volcanic terrain are the most technically demanding — soft, loose surface that can swallow a tire if you drop momentum. The real threat, though, is altitude: at 14,100 ft, AMS hits fast, engines lose 30–40% power, and recovery work becomes exhausting. Acclimatize in Putre for at least one night before you roll.
How much fuel do I need to carry, and are the water crossings vehicle-threatening?
Carry enough fuel for at least 150 miles — Putre has the last reliable fuel stop and the nearest town after is not stocked for remote traveler emergencies. The water crossings are seasonal and generally shallow (under 18 inches in dry season), but scout every one on foot first; glacial melt can change depth fast.
Trail track
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