Serranías del Hornocal: the Hill of 14 Colors from Purmamarca The Serranías del Hornocal

The Serranías del Hornocal, also known as the Hill of 14 Colors, are a geological formation located in the province of Jujuy, approximately 25 kilometers from the city of Humahuaca. Its layers of limestone belonging to the Yacoraite Formation display a wide range of tones spanning from red to yellow, violet to white and green, the result of millions of years of sedimentation and tectonic movement. The main viewpoint sits at approximately 4,350 meters above sea level, within the area declared a UNESCO World Heritage Site as part of the Quebrada de Humahuaca.

Those who choose tourism in Purmamarca as their base for exploring the quebrada enjoy a privileged geographical position for organizing an excursion to Hornocal. Purmamarca lies south of Humahuaca along National Route 9, and from there the departure city is reached in approximately one hour. Many visitors who travel to Purmamarca take advantage of their stay to include this excursion in their quebrada itinerary, combining it with other visits such as the Cerro de los 7 Colores, the Paseo de los Colorados,the broader Quebrada de Humahuaca circuit.

Access to Hornocal is exclusively via a gravel road, with a steep final ascent that requires a 4x4 vehicle. The most common way to visit is through organized excursions departing from Humahuaca, available through local agencies and at the city's bus terminal. The recommended departure time is early afternoon, to take advantage of sunlight falling on the rock formations. The full round trip from Humahuaca takes between two and a half and three hours, including travel time and time spent at the viewpoint.

Having accommodation in Purmamarca makes it easy to plan the excursion comfortably, as the village offers a varied range of lodging options including hotels, hosterías, cabañas and apartments. Travelers looking for cabañas in Purmamarca any other accommodation option can browse the available listings at accommodations in Purmamarca to find the alternative that best suits their trip. Staying in the village also allows visitors to explore the artisan market, visit the Church of Santa Rosa de Lima, and enjoy the natural surroundings of the quebrada at a relaxed pace.

Travel tips for visiting Hornocal from Purmamarca

• Bring warm clothing: temperatures at the viewpoint can be several degrees lower than in the valley floor, and wind is common even on sunny days.
• If traveling in your own vehicle, keep in mind that the final stretch requires 4x4four-wheel drive; otherwise, the most practical option is joining an organized excursion from Humahuaca.
• The ideal departure time from Humahuaca is 2:00 PM, arriving at the viewpoint with good natural light — the formations look their best in the afternoon sun.
• Bring water, snacks and sunscreen. At that altitude, UV radiation is intense and staying hydrated is essential.
• If you are arriving directly from Purmamarca without prior acclimatization, allow at least one day to adjust to the altitude before ascending to the 4,350-meter viewpoint.
• Check road conditions before setting out, especially during the Jujuy summer, when rainfall can affect access to the site. • For more on what to see and do in the area, visit the Purmamarca tourism guide and plan your full quebrada itinerary.