1. Tronador Hill, also known as Cerro Tronador, is an impressive mountain located in the Andes mountain range near Bariloche, Argentina. It is named after the thunderous noise (trueno) that echoes through the valleys when ice and rocks fall from its glaciers.

The mountain stands at an elevation of 3,491 meters (11,453 feet) and is a popular destination for hiking, climbing, and mountaineering. Its three main peaks, named Pico Argentino, Pico Chileno, and Pico Internacional, mark the border between Argentina and Chile.

Tronador Hill is known for its stunning natural beauty, with its towering glaciers, snow-capped peaks, and crystal-clear lakes. The surrounding area is also home to a diverse range of flora and fauna.

2. The working time and phone number may vary depending on the season and weather conditions. It is recommended to check with local tour operators or the park authorities for the most up-to-date information. The phone number for Parque Nacional Nahuel Huapi, which oversees the area, is +54 294 449-4916.

3. To visit Tronador Hill, you can either join a guided tour or explore the area on your own. There are several tour operators in Bariloche that offer day trips to the mountain. These tours typically include transportation, a guide, and sometimes meals.

If you prefer to go independently, you can drive from Bariloche to the entrance of the Nahuel Huapi National Park, where Tronador Hill is located. From there, you can hike or take a shuttle to the base of the mountain. Keep in mind that a permit is required to enter the park, which can be obtained at the park entrance.

Ticket prices and permits may vary, so it is best to inquire with the park authorities or tour operators for the most accurate information.