1. The Atacama Desert is located in northern Chile, stretching over 1,000 kilometers (600 miles) along the Pacific coast. It is considered the driest non-polar desert in the world, with an average annual rainfall of less than 1 millimeter. The desert is known for its stunning landscapes, which include vast salt flats, geysers, volcanoes, sand dunes, and colorful rock formations. It is also home to unique wildlife, such as flamingos and vicuñas.

San Pedro de Atacama is a small town located in the heart of the Atacama Desert. It serves as the main base for exploring the region and offers a range of accommodation options, restaurants, and tour agencies. The town itself is characterized by its charming adobe buildings and laid-back atmosphere. From San Pedro de Atacama, visitors can explore various attractions in the desert, including the Tatio Geysers, Valle de la Luna (Moon Valley), and the Salar de Atacama (Atacama Salt Flat).

2. San Pedro de Atacama is a popular tourist destination, and most tour agencies and attractions are open year-round. However, it is recommended to check the specific operating hours of each attraction or tour agency as they may vary. The town is relatively small, so most places can be reached on foot.

It is difficult to provide a specific phone number as it would vary for each attraction or tour agency. However, visitors can easily find contact information for tour agencies and accommodations in San Pedro de Atacama through online travel platforms or official tourism websites.

3. Ticket information and transportation options for visiting the Atacama Desert and San Pedro de Atacama also vary depending on the specific attractions and tours. Some attractions may have an entrance fee, while others may require booking a guided tour.

To reach San Pedro de Atacama, most visitors fly into the nearby Calama Airport and then take a bus or transfer to the town, which is approximately an hour away. There are also options to travel to San Pedro de Atacama by land from other cities in Chile or neighboring countries.

For transportation within the region, tour agencies in San Pedro de Atacama offer a variety of guided tours to the different attractions in the desert. These tours usually include transportation, entrance fees, and a guide. Alternatively, some visitors choose to rent a car to explore the region independently.