Travel west of San Pedro de Atacama to Valle del Arcoiris for vivid mineral bands, a short desert walk, and ancient petroglyphs in nearby Yerbas Buenas. This half-day tour blends geology and archaeology with practical guidance for desert conditions.
More ways to explore the area's outdoor wonders
Morning light in the high desert strips the hills to color and contour: ochre ridges, rust bands, and pale salt flats that seem to flare under the Atacama sky. On the Rainbow Valley tour travelers leave San Pedro de Atacama by minivan and cross the coastal Cordillera de Domeyko to a landscape where sedimentary layers have been tilted, baked, and painted by mineral salts and wind.
Difficulty
easy
Duration
5–6 hours
Fitness Level
Suitable for most fitness levels; the walking segment is about 1 hour on mostly flat desert terrain.
Wildlife
History
Yerbas Buenas preserves petroglyphs and pictographs linked to pre-Columbian caravan routes; the area reflects long-standing pastoral and trade practices.
Conservation
The Atacama is ecologically fragile—stay on designated trails, limit waste, and respect archaeological sites to minimize impact.
Reserve your spot on the Rainbow Valley Tour from San Pedro de Atacama today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Hydrate before and during the tour
Bring at least 1–2 liters of water per person—altitude and dry air increase dehydration risk.
Sun protection is non-negotiable
Wide-brim hat, SPF 30+ sunscreen and sunglasses will keep you comfortable on exposed trails.
Layer for wind and cold mornings
A lightweight windbreaker or fleece handles sudden gusts and cooler temps at elevation.
Carry small local currency
Bring cash for entry fees, local purchases in Yerbas Buenas, or tips for your guide.
1–2 L water bottle or hydration reservoir
Maintains hydration in the arid, high-desert environment.
Sun hat and UV sunglasses
Protects face and eyes from intense high-altitude sun.
summer
Light windbreaker or fleece
Blocks chilling desert winds, especially in mornings and late afternoons.
spring
Sturdy closed-toe shoes
Provides traction on uneven, sandy and rocky trail surfaces.