Get up close to viedma glacier in unesco world heritage listed los glaciares national park this day trip to el chalten from el calafate takes you right up to argentinas biggest glacier cruise over lake viedma in southern patagonia and watch icebergs float past as you hear fascinating facts from expert guides select from two options a boat tour with 3 course lunch or a boat tour and ice trek your choice enjoy personal attention from your guide on this small group tour limited to 16 peop