1. Mt. Fitz Roy, also known as Cerro Fitz Roy, is a stunning granite mountain located in the Southern Patagonian Ice Field near the town of El Chalten in Argentina. It is a popular destination for climbers and trekkers due to its challenging terrain and breathtaking views. The mountain is known for its distinctive shape and often shrouded in clouds, creating a mystical and dramatic atmosphere.

2. El Chalten does not have specific opening hours for Mt. Fitz Roy as it is a natural attraction that can be visited at any time. For more information, visitors can contact the local tourist information center.

3. There is no entrance fee required to visit Mt. Fitz Roy as it is located within Los Glaciares National Park. Visitors can reach El Chalten by bus from El Calafate, which is the closest town with an airport. From El Chalten, there are hiking trails that lead to different viewpoints of Mt. Fitz Roy, ranging from easy to more challenging hikes. It is recommended to be well-prepared with appropriate gear and clothing when visiting the mountain.