What is the difference between a 1-day and 3-day Uyuni tour?

A 1-day tour really just spans the Salar de Uyuni salt flats, Incahuasi Island, and the Train Cemetery. A 3-day trip keeps going a bit further down south, into the national reserve, to catch high-altitude deserts, bright lagoons, and active geysers.

The 1-day choice works well for visitors who are short on time and who strictly want the gleaming white salt plains. The 3-day journey feels far more rugged, a real overland escapade across the wider Altiplano. You will be sleeping in simple lodgings at high elevation, but you get repaid with some of South America’s most varied, striking volcanic scenery.