
Marcahuasi, located in the Lima mountains, is more than a plateau of rock formations: it’s a place where science, mysticism, and legend converge. Its impressive rocks shaped by erosion, panoramic views, and profound night sky have made Marcahuasi a favorite destination for those seeking unique experiences. Over the years, numerous travelers claim to have witnessed strange lights and unidentified objects over the plateau, cementing it as one of the main points of interest for UFO enthusiasts in Peru.
In this comprehensive and definitive guide, you’ll find detailed history, tourist attractions, updated prices, routes to get there, best times to visit, activities, recommended hotels, cuisine, and practical tips to make the most of your experience.
History of Marcahuasi and the Origin of the Sightings
Marcahuasi has been the subject of studies, legends, and theories for almost a century:
- Initial Explorations: In the 1920s, Peruvian archaeologist Julio C. Tello studied the plateau and discovered pre-Hispanic remains, such as chullpas and ceramic remains.
- Daniel Ruzo and the Mystery of the Stone Figures: In the 1950s, the Peruvian researcher popularized the idea that Marcahuasi housed figures carved by ancient civilizations with messages for humanity. He linked these formations to vanished cultures and extraterrestrial contact.
- UFOs and Modern Legends: Since the 1970s, backpackers, photographers, and mystical groups have spread stories of mysterious lights crossing the sky. Some believe the area is an energy point and an interdimensional portal.
Today, Marcahuasi combines its cultural and geological richness with its reputation as a UFO and astrophotography tourism destination.
How to get to Marcahuasi (from Lima)
Option 1: Public Transportation
- Lima → Chosica: From downtown Lima or Paseo Colón, take a bus or minibus to Chosica. Duration: 1h30–2h. Approximate cost: S/8–S/10.
- Chosica → San Pedro de Casta: From Echenique Park, take minibuses to San Pedro de Casta, the gateway to Marcahuasi. Duration: 3h–3h30. Approximate cost: S/15–S/20.
- San Pedro de Casta → Marcahuasi: The trek to the plateau begins from the main square. Duration: 2h30–3h. You can also rent pack donkeys (approximately S/20) or hire 4×4 trucks, subject to availability.
Option 2: Private Transportation
- Route: Lima → Carretera Central → Chosica → detour to Santa Eulalia → San Pedro de Casta.
- Distance: Approximately 90 km.
- Estimated time: 3h30–4h.
Recommended for groups, as it makes it easier to carry camping gear.
Climate and Best Time to Visit
Marcahuasi has a dry, high-altitude climate with cool nights and sunny days:
- Dry season (May to October): Ideal for camping and stargazing. Nighttime temperatures can drop to 0°C.
- Wet season (November to April): Green landscapes, but a higher probability of rain and cloudy skies.
Astrophotography tip: Time your visit during the new moon to maximize night sky visibility and possible sightings.
Updated prices and rates (2025)
Concept Domestic price Foreign price
General admission S/10 – S/15 S/20 – S/30
Camping included No surcharge No surcharge
Pack donkey (optional) S/20 approximately S/20 approximately
Tent rental S/25 – S/40 S/25 – S/40
Sleeping bag rental S/15 – S/25 S/15 – S/25
Prices are indicative and may vary depending on the season or community decision.
Must-see attractions
- The Amphitheater: Ideal area for camping and observing the night sky.
- World Heritage Site: The most iconic rock formation on the plateau.
- The Fortress: Natural viewpoint with panoramic views of the entire plateau.
- Cachu Cachu Lagoon: Small sacred lagoon in the middle of the high plateau.
- Chullpas and pre-Hispanic buildings: Archaeological remains that demonstrate ancestral occupation.
- El Infiernillo: A natural pass where the wind produces a peculiar sound, considered mystical.
UFOs in Marcahuasi: Myths, Stories, and Experiences
Marcahuasi has earned its fame as an energetic hotspot and the scene of alleged UFO sightings:
- Traveler Testimonies: Hikers have reported bright lights that abruptly change direction.
- Organized Events: UFO groups often plan vigils during new moons and solstices.
- Scientific Interpretation: Many sightings are attributed to satellites, meteors, or airplanes, but the mysticism and spectacular sky reinforce the magic of the place.
Recommended Observation Points:
- Portachuelo and Amphitheater → areas with a clear horizon.
- Best Times → 9:00 p.m. at 2:00 a.m.
Recommended Itinerary (2 days / 1 night)
Day 1: Ascent and Starry Night
- 6:00 AM – Departure from Lima.
- 9:00 AM – Arrival in Chosica and connection to San Pedro de Casta.
- 1:30 PM – Lunch in town and check-in.
- 2:30 PM – Start of trekking to Marcahuasi.
- 5:30 PM – Setting up tents and initial exploration.
- 8:30 PM – Skywatching, UFO stories, and astrophotography.
Day 2: Cultural tour and return
- 5:30 AM – Sunrise on the plateau.
- 7:00 AM – Circuit of the Monument to Humanity, Fortaleza, and Cachu Cachu Lagoon.
- 12:00 PM – Descent to San Pedro de Casta.
- 4:00 PM – Return to Lima.
Where to sleep
- Camping on the plateau: Unique experience for astrophotography and night vigil.
- Basic accommodations in San Pedro de Casta: Single rooms from S/30–S/40.
- Chosica and Santa Eulalia: Country hostels and eco-lodges for those who prefer to sleep at lower altitudes.
Local Cuisine
In San Pedro de Casta, you’ll find homemade menus with Andean soups, meat stews, fried trout, and hot mates. To complement your experience:
- Bring energy snacks, water, and fruit.
- During high season, community lunches featuring local products can be booked.
Highlighted Activities
- Scenic trekking: Routes among stone figures.
- Astrophotography and stargazing.
- UFO vigils and energy talks.
- Archaeological interpretation of chullpas.
- Meditation and spiritual retreats.
Travel Tips
- Acclimatization: Take the ascent slowly, stay hydrated, and avoid alcohol.
- Recommended equipment: Sturdy tent, thermal sleeping bag (-5°C), headlamp, power bank, thermal clothing, and windbreaker.
- Safety: Download offline maps and stay on marked trails.
- Environmental respect: Take your trash back and avoid campfires.
- Buy local: Hire guides, muleteers, and local supplies.
Frequently asked questions
Are UFOs seen in Marcahuasi?
There is no scientific evidence, but many travelers report strange lights. The dark sky enhances the experience.
Is hiring a guide mandatory?
No, but it is recommended to maximize your time and learn more about the history.
What is the best time for sightings?
May to October, with clear skies and cooler nights.
Is it suitable for beginners?
Yes, but it is recommended to be in good physical condition and bring the appropriate equipment.

