1. Llanquihue Lake is the largest lake in Chile and the second largest in South America, covering an area of 860 square kilometers. It is located in the Los Lagos Region of southern Chile, near the city of Puerto Varas. The lake is of glacial origin and is surrounded by beautiful landscapes, including the Osorno and Calbuco volcanoes.

The name \"Llanquihue\" comes from the Mapuche indigenous language and means \"place where the water plunges into the abyss.\" The lake offers a wide range of outdoor activities, such as fishing, kayaking, sailing, and hiking. On the shores of the lake, you can find small towns and villages where you can enjoy local cuisine and traditional German architecture, as the area has a strong German influence.

2. Llanquihue Lake is a natural attraction and does not have specific working hours. It is accessible year-round and visitors can enjoy its beauty at any time. For more information or assistance, you can contact the tourist information centers in Puerto Varas or check the official website of the local tourism office.

3. There is no entrance ticket required to visit Llanquihue Lake. It is a public space and can be accessed freely. The lake is easily accessible from the city of Puerto Varas, which is located just a few kilometers away. You can reach the lake by private car, taxi, or bus. There are also tour companies that offer guided tours to the lake and other attractions in the area.