1. The Tunupa Volcano, also known as Volcan Tunupa, is an ancient dormant volcano located near the town of Uyuni in southwest Bolivia. It is part of the Andean Altiplano and is situated within the Eduardo Avaroa Andean Fauna National Reserve.

The volcano stands at an elevation of 5,322 meters (17,457 feet) above sea level and is surrounded by stunning landscapes, including the famous Uyuni Salt Flats. The volcano is characterized by its symmetrical cone shape and is often covered in snow, creating a breathtaking sight.

Another interesting feature of Tunupa Volcano is the presence of a unique natural phenomenon known as the \"Tunupa Eye.\" This is a large, circular hole in the mountain that appears to be an eye, giving the volcano a mystical and intriguing aura.

The volcano and the surrounding area are home to a variety of wildlife, including flamingos, llamas, and vicuñas. It is also an important site for indigenous communities, who consider the volcano sacred and hold rituals and ceremonies in its honor.

2. Tunupa Volcano is open to visitors throughout the year. However, access to certain areas may be restricted during certain times or due to weather conditions. It is recommended to visit the volcano as part of a guided tour to ensure safety and proper navigation.

There is no specific phone number available for the volcano. Visitors can contact local tour operators in Uyuni for information on accessing and exploring the area.

3. As Tunupa Volcano is located within the Eduardo Avaroa Andean Fauna National Reserve, visitors are required to purchase an entrance ticket. The ticket can be obtained at the entrance to the reserve or through tour operators in Uyuni. The cost of the ticket may vary depending on the tour package and activities included.

Transportation to Tunupa Volcano can be arranged through tour operators in Uyuni. Most tours will provide transportation in 4WD vehicles equipped for the rugged terrain. It is also possible to reach the base of the volcano by hiking or trekking, but this requires good physical fitness and proper planning.