Fitz Roy, located in Patagonia near El Chaltén, Argentina, offers world-class hiking amidst stunning granite peaks and glaciers within Los Glaciares National Park, which has no entry fee. The area is highly accessible, with various trailheads easily reached from El Chaltén, catering to all fitness levels from easy walks to challenging multi-day treks like Laguna de los Tres, though moderate to high fitness is required for most iconic routes. While many trails can be explored solo by experienced hikers, guided tours are recommended for glacier excursions, more technical routes, or those less familiar with mountain environments. The ideal visiting season is the austral summer (October to April) due to more stable weather and longer daylight hours; winter (May to September) brings cold, snow, and potential trail closures, demanding specialized gear and experience. A typical visit duration ranges from 2-3 days for key day hikes to 4-7 days to explore more extensively and account for unpredictable Patagonian weather, which can be extremely windy year-round. Costs are variable, depending on accommodation and whether guided services are utilized, but generally involve transportation to El Chaltén and daily expenses for food and gear; camping is a popular budget-friendly option. Essential tips include dressing in layers, carrying sufficient supplies, respecting Leave No Trace principles, and being prepared for limited cellular service on trails.