Mount Fitz Roy, located in Los Glaciares National Park near El Chaltén, Argentina, is a premier destination for hikers and mountaineers. The best time to visit is during the summer months (November to March) when weather conditions are more favorable. The trails are well-marked, making it easy to explore solo, though guided tours are available for those seeking local insight and safety. No entrance fee is required for the park, but it's advisable to budget for gear rentals and possibly guided services. Plan for a full day to complete the most popular trail, Laguna de los Tres, which offers breathtaking views of the peak. Be prepared for rapidly changing weather and pack accordingly. Booking accommodations in advance during peak season is recommended due to the small size of El Chaltén.