1. Lanin National Park is located in the province of Neuquén in Argentina, near the town of San Martin de los Andes. The park is named after the Lanin volcano, an impressive stratovolcano that dominates the landscape. The park is known for its stunning natural beauty, with dense forests, crystal clear lakes, and snow-capped mountains.

The park offers a wide range of activities for visitors, including hiking, camping, fishing, and bird watching. There are also several scenic drives within the park that offer breathtaking views of the surrounding landscape. Wildlife in the area includes deer, foxes, and a variety of bird species.

2. The operating hours of Lanin National Park can vary depending on the season, so it is recommended to check their official website or contact them directly for the most up-to-date information. The phone number for the park is +54 2972 427026.

3. The entrance fee for Lanin National Park is typically affordable, and there are discounts available for students, seniors, and children. The park can be accessed by car from San Martin de los Andes, or visitors can take a bus from the town to various points within the park. Additionally, there are guided tours available for those who wish to explore the park with a knowledgeable guide.