the name is beause of the variety of colors of the ground....not of the sky amazing spectacle and a very reasonble distance and time

Glad we followed other people's advice and didn't head to the higher elevations on the first couple days we were in San Pedro. You can book a tour to Valle del Arcoiris and the Hierbas Buenas petroglyphs at any tour agency along the main drag...More

This is the only free tour that we went. It is not as famous as the other places but I quite liked the place. The colours are beautiful, and we walked for almost one hour without meeting a single soul. Close to Valle del Arco...More

Valle Arcoiris (Valley of the Rainbow) is not easy to find or get to, but is well worth the extra effort it takes to see. The best way to see this colorful and beautiful site is with a guide. The route to Valle Arcoiris is...More

We went with On Safari. Our fabulous guide Gonzalo let us know this is a less popular tour than the others, but for us this was the highlight of our trip to Atacama. Rainbow Valley is just so beautiful! We got some stunning photographs, and...More

This si a beautiful area of the Atacama desert and not to be missed. The colors of the geology around are very photogenic, go early in the morning for best effects. And on the way back to San Pedro don't miss the pietroglyphs

My only complaints are the horribly unmaintained roads to get there (Rocky, flooded, dangerous for anything but large vehicles), and the lack of toilet stalls (be prepared to hold it or pee behind your car). But once there I really enjoyed it for the geology....More