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Chile🇨🇱 | hikesValle de la LunaSalt ridges, Duna Mayor, sunset crowds, cave slots | things to do and best time to go

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Backpacking in Valle de la Luna
🌟 Highlighthike ranked #3
By Johan Kruseman 🇳🇱 | Updated October 19, 2026

Valle de la Luna is not a lunar valley at all, it is a salt-and-clay landscape carved by wind and ancient lake beds in the Cordillera de la Sal. It sits in the north of Chile, a short ride west of San Pedro de Atacama. The ground is the reason it works: gypsum, salt and sand crust over soft sediment, so ridges are razor-edged and dunes sit beside canyons, giving you wide views in a compact area. The downsides are real. Shade is nil, the sun is fierce, and the sunset crowd at Piedra del Coyote is thick. Walking is moderate, with loose sand on the Gran Duna climb, and the start is reachable by bike or tour van. I stopped for a cold Escudo beer and an empanada at a San Pedro stall, around US$6, and drank it watching the ridgeline turn pink. A first day could end with the dunes at sunset.

Discover everything you want to know in the 📖 Chile Travel Guide.
Best time to go: March - November
Duration: 4 hours
Distance: 10 kilometers
Total ascent: 250 meters


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✨ Why go?
Ranked #3 hike in ChileWhat makes it a must-see hike

Valle de la Luna packs more variety into one afternoon than most Atacama sites manage in a full day. You get a Cordillera de la Sal ridge walk, a slot canyon you scramble through, and a big dune within a few kilometers of each other. That compactness is the main draw, because you can sample all of it without carrying a heavy pack or committing to an overnight.

The second reason is how easily it fits a longer route. San Pedro de Atacama sits close by, so you can rent a bike, go by tour, or arrange a short ride to the entrance, then be back in town for dinner. Many backpackers pair it with the geysers and lagoons, which makes a balanced few days of desert variety.

The third is the Tres Marías and Duna Mayor areas, which give the walking real texture: crunchy salt crust underfoot, then soft … read more 👉
Valle de la Luna packs more variety into one afternoon than most Atacama sites manage in a full day. You get a Cordillera de la Sal ridge walk, a slot canyon you scramble through, and a big dune within a few kilometers of each other. That compactness is the main draw, because you can sample all of it without carrying a heavy pack or committing to an overnight.

The second reason is how easily it fits a longer route. San Pedro de Atacama sits close by, so you can rent a bike, go by tour, or arrange a short ride to the entrance, then be back in town for dinner. Many backpackers pair it with the geysers and lagoons, which makes a balanced few days of desert variety.

The third is the Tres Marías and Duna Mayor areas, which give the walking real texture: crunchy salt crust underfoot, then soft sand, then rock. The light changes the colors hour by hour, so even a short walk feels different at midday and late afternoon.

💡 HighlightsMust-see experiences and standout moments

  1. Duna Mayor (Great Dune): The sight most people come for. A huge wave of sand and salt-crusted ridge that you can climb on foot for a wide view over the Cordillera de la Sal, with the Licancabur and Lascar volcanoes in the distance. Go up slowly, because the sand slides back under each step and the ridge is narrow near the top.
  2. Mirador de Kari (Piedra del Coyote): A rocky lookout over the whole valley, with a cliff edge, salt-streaked canyons and the volcano line behind. It is the usual place to watch the sun go down, so expect a crowd of tour vans and a good deal of jostling for the rim.
  3. Tres Marías: Three weathered rock formations that look like hooded figures, shaped by wind and water out of salt and clay. A short track leads to them, and the shapes make a good photograph in low, slanting
… read more 👉
  1. Duna Mayor (Great Dune): The sight most people come for. A huge wave of sand and salt-crusted ridge that you can climb on foot for a wide view over the Cordillera de la Sal, with the Licancabur and Lascar volcanoes in the distance. Go up slowly, because the sand slides back under each step and the ridge is narrow near the top.
  2. Mirador de Kari (Piedra del Coyote): A rocky lookout over the whole valley, with a cliff edge, salt-streaked canyons and the volcano line behind. It is the usual place to watch the sun go down, so expect a crowd of tour vans and a good deal of jostling for the rim.
  3. Tres Marías: Three weathered rock formations that look like hooded figures, shaped by wind and water out of salt and clay. A short track leads to them, and the shapes make a good photograph in low, slanting light.
  4. Cuevas de Sal (Salt Caves): Narrow slots and tunnels cut into the salt rock by ancient water. You walk and squeeze through in a tight line, ducking under crystal-studded ceilings. A headlamp or phone light helps, and sturdy shoes matter on the uneven floor.
  5. Anfiteatro: A natural bowl of rock walls with curved, layered faces and an almost theater-like shape. Sound carries oddly here, and the colors of the layers shift from gray to rust as the afternoon moves on. A short trail runs along the rim.
Start with the Duna Mayor, because the climb is easiest and the view clearest before the afternoon crowds arrive and the sand gets churned up.
Spotted a mistake or missing something? Contact us.

Things to do around Valle de la Luna

Gong Bath in the Magic Forest in San Pedro de Atacama

Gong Bath in the Magic Forest in San Pedro de Atacama

5.0(113) 2h
From €41
per personViator
Ascent of Toco Volcano

Ascent of Toco Volcano

5.0(56)
From €100
per personViator
Aire Libre - Astro Tour with big telescopes

Aire Libre - Astro Tour with big telescopes

5.0(49) 2h
From €54
per personViator
Full Atacama - SORBAC (group tours)

Full Atacama - SORBAC (group tours)

5.0(40) 144h
From €989
per personViator
Private Tour of the Moon Valley

Private Tour of the Moon Valley

5.0(21)
From €195
per personViator
Full Day Tour to Red Stones, High Plains and Chaxa

Full Day Tour to Red Stones, High Plains and Chaxa

5.0(15) 10h
From €97
per personViator
Lascar Volcano ascent from San Pedro de Atacama

Lascar Volcano ascent from San Pedro de Atacama

5.0(15) 12h
From €182
per personViator
3-Day Tour in San Pedro de Atacama with Tickets and Food

3-Day Tour in San Pedro de Atacama with Tickets and Food

5.0(15) 72h
From €322
per personViator
Bike Tour to Garganta del Diablo, includes bike

Bike Tour to Garganta del Diablo, includes bike

5.0(14) 3h
From €91
per personViator
Half-Day Tour to Laguna Cejar, Ojos del Salar and Tebenquiche

Half-Day Tour to Laguna Cejar, Ojos del Salar and Tebenquiche

5.0(11) 4h 30m
From €72
per personViator

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🌤️ When to go?Best time to hike the Valle de la Luna

  • Year-round dryness: The Atacama near San Pedro gets almost no rain, so the valley is walkable in every month and the real choice is heat versus cold.
  • Summer (December to February): Days reach 26 to 30°C (79 to 86°F) and nights drop to 5 to 10°C (41 to 50°F). Daylight runs about 13.5 hours. Occasional altiplanic storms can close roads and cloud the sky, and prices and crowds peak around Christmas and New Year.
  • Autumn and spring (March to May, September to November): Afternoons of 22 to 27°C (72 to 81°F) make midday walking comfortable, and rooms and tours cost less than in summer.
  • Winter (June to August): Days stay a mild 18 to 23°C (64 to 73°F), but nights fall to between -5 and 2°C (23 to 36°F). Daylight is about 10.5 hours, crowds are thin, and the sky is very clear.
  • Sunset hours: Year-round,
… read more 👉
  • Year-round dryness: The Atacama near San Pedro gets almost no rain, so the valley is walkable in every month and the real choice is heat versus cold.
  • Summer (December to February): Days reach 26 to 30°C (79 to 86°F) and nights drop to 5 to 10°C (41 to 50°F). Daylight runs about 13.5 hours. Occasional altiplanic storms can close roads and cloud the sky, and prices and crowds peak around Christmas and New Year.
  • Autumn and spring (March to May, September to November): Afternoons of 22 to 27°C (72 to 81°F) make midday walking comfortable, and rooms and tours cost less than in summer.
  • Winter (June to August): Days stay a mild 18 to 23°C (64 to 73°F), but nights fall to between -5 and 2°C (23 to 36°F). Daylight is about 10.5 hours, crowds are thin, and the sky is very clear.
  • Sunset hours: Year-round, the ridge viewpoint at Piedra del Coyote fills with tour groups in the late afternoon, so arrive early.
Visit on a weekday outside school holidays, and start your walk early to avoid the strongest sun.


source: climatestotravel.comJANJanuary: fair for travelingFEBFebruary: fair for travelingMARMarch: highly recommended for travelingAPRApril: highly recommended for travelingMAYMay: highly recommended for travelingJUNJune: good for travelingJULJuly: good for travelingAUGAugust: good for travelingSEPSeptember: highly recommended for travelingOCTOctober: excellent for travelingNOVNovember: excellent for travelingDECDecember: fair for traveling
when-to-go

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🛏️ Where to stay?Where staying makes the most sense

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🥾 Hike detailsHike details: route, duration, and difficulty of Valle de la Luna

Total Distance: Roughly 8 to 12 kilometers if you link the main sights on foot, less if you move by bike or van between them.
Estimated Duration: 3 to 5 hours including photo stops, longer if you wait for sunset.
Difficulty: Easy to moderate. The effort comes from heat, altitude of about 2,500 meters, and loose sand on the dune.
Starting Point: Valle de la Luna lies west of San Pedro de Atacama, reached by rented bike, tour van or taxi. No regular public bus runs to the entrance.
Major Landmarks:
  • Duna Mayor: The tallest dune and a short sandy ascent.
  • Cuevas de Sal: Narrow salt tunnels you scramble through.
… read more 👉
Total Distance: Roughly 8 to 12 kilometers if you link the main sights on foot, less if you move by bike or van between them.
Estimated Duration: 3 to 5 hours including photo stops, longer if you wait for sunset.
Difficulty: Easy to moderate. The effort comes from heat, altitude of about 2,500 meters, and loose sand on the dune.
Starting Point: Valle de la Luna lies west of San Pedro de Atacama, reached by rented bike, tour van or taxi. No regular public bus runs to the entrance.
Major Landmarks:
  • Duna Mayor: The tallest dune and a short sandy ascent.
  • Cuevas de Sal: Narrow salt tunnels you scramble through.
  • Tres Marías: Eroded formations near the road.
  • Piedra del Coyote: Sunset lookout over the ridge.
Terrain and Scenery: Salt crust, gypsum ridges, dunes and dry canyons in whites, ochres and rust. Surfaces crunch underfoot, and some ridges are sharp.
Vegetation: Almost none. The ground is too salty and dry for plants beyond rare hardy shrubs.
Wildlife: Very little. You may spot lizards or desert foxes, but most visitors see none.
Practical Notes: Bring at least 2 liters of water, a hat, sunscreen and sturdy shoes. There is no shade, and an entrance fee is paid at the gate in cash.
⚠️ Hiking info can sometimes be outdated or inaccurate. Before you hit the trail, check the latest conditions with locals. If you do spot anything that's off, I'd love to hear from you, so I can update it for fellow travelers.

🛡️ SafetySafety Tips and Common Scams in Valle de la Luna

Valle de la Luna is a short, well-trodden desert walk where the main hazards are sun, dryness and altitude, which sits around 2,500 meters. Heat builds fast on the exposed salt ridges and dunes with no shade, so start early, wear a hat and sunglasses, and apply sunscreen generously. Carry at least 2 to 3 liters of water per person, since there is none on the circuit. Footing is loose sand and crumbly salt crust, so wear closed shoes with grip and keep off fragile edges of the Tres Marías and cave areas, where rock can give way. Caves are narrow and dark, so bring a headlamp. Stay on marked paths; the terrain looks similar in every direction and wandering off makes navigation harder. Wildlife is minimal, mostly lizards and birds. Gusty afternoon winds kick up sand, so protect your camera and … read more 👉
Valle de la Luna is a short, well-trodden desert walk where the main hazards are sun, dryness and altitude, which sits around 2,500 meters. Heat builds fast on the exposed salt ridges and dunes with no shade, so start early, wear a hat and sunglasses, and apply sunscreen generously. Carry at least 2 to 3 liters of water per person, since there is none on the circuit. Footing is loose sand and crumbly salt crust, so wear closed shoes with grip and keep off fragile edges of the Tres Marías and cave areas, where rock can give way. Caves are narrow and dark, so bring a headlamp. Stay on marked paths; the terrain looks similar in every direction and wandering off makes navigation harder. Wildlife is minimal, mostly lizards and birds. Gusty afternoon winds kick up sand, so protect your camera and eyes. Arriving fit and hydrated is the best preparation for first-timers.
Check Country Safety

FAQTraveler FAQ

Valle de la Luna takes about 2 to 4 hours to walk or tour, and most travelers combine it with a sunset visit lasting 3 to 5 hours. The main loop covers the Duna Mayor, the salt caves and the Tres Marías formations. Guided tours leave San Pedro de Atacama around 3 to 4 pm and run about US$15 to 25, while cyclists need roughly half a day for the roughly 15 kilometer ride out.
Valle de la Luna is easy to moderate, with short walks of 1 to 3 kilometers on sand and salt rock rather than a long trek. The hardest part is the climb up the Duna Mayor, a soft sand slope, and the dry heat at roughly 2,500 meters. Bring 2 to 3 liters of water, and the cave crawl in the Cavernas de Sal adds a little scrambling.
Valle de la Luna needs no guide, but you do need a paid ticket, which costs about US$10 to 12 and is bought online for a chosen day; the valley is part of the Reserva Nacional Los Flamencos and is co-managed by Indigenous communities with CONAF. Access is open from the road about 13 kilometers west of San Pedro de Atacama, and rules tightened in recent years to limit group size and entry times, so confirm at the ticket office. Guided tours cost roughly US$15 to 25 and include transport.
⚠️ Things can change over time, so always validate details locally before you go.

Other Chilean hikes near Valle de la Luna

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We 💚 feedbackWhat to keep in mind

Valle de la Luna is best in the late afternoon, when the heat eases and the ridges shift from white to orange and pink. I would arrive around mid-afternoon, walk the dune and canyon first, then claim a lookout spot early. Midday is hot and flat, so I would skip it.

✈️ When did I visit Chile?
I have visited Chile, together with Argentina, in September 2012.

✍️ Help improve this page!
The information on this page is based on my own backpacking experience in Chile, supplemented with up-to-date research and feedback from other travelers. Travel details can change, so if you notice anything outdated or incomplete, feel free to let me know.



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Johan, backpacker and founder of TakeYourBackpackHi, I’m Johan (Netherlands 🇳🇱), the creator of TakeYourBackpack. Over the past 3 decades, I’ve backpacked through 90+ countries across six continents, gaining extensive experience with independent travel, long-term trips, and overland routes.

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The goal is to provide realistic, experience-driven guidance — not generic itineraries — so you can explore destinations with better context, clearer expectations, and more confidence.

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