Laguna de los Tres was set up to celebrate, preserve and protect the area's natural values. Take a walk and keep an eye out for birds and other wildlife.
You'll have sightseeing choices galore when in Santa Cruz Province. Laguna de los Tres is a great place to begin here, but there are loads of other fine sights to appreciate. Los Glaciares National Park, Mount Fitz Roy, and Laguna Capri are close to the nature reserve and and will cap off your day nicely.