1. Mirador de San Nicolás is a viewpoint that offers panoramic views of the Alhambra, the Sierra Nevada mountains, and the city of Granada. It is located in the Albayzín neighborhood, which is a UNESCO World Heritage site. The viewpoint is named after the San Nicolás Church, which is located nearby. The viewpoint is also known for its street performers, musicians, and artists who often entertain tourists who visit the area. It is a popular spot for photography, especially during sunrise and sunset.

2. The Mirador de San Nicolás is open 24 hours a day and is free to visit. There is no phone number available as it is a public viewpoint accessible to everyone.

3. The Mirador de San Nicolás is accessible by foot, but it involves a steep walk uphill. Visitors can also take public transport such as the C1 or C2 bus service to reach the viewpoint. However, it is recommended to wear comfortable shoes and carry water with you if you plan to walk uphill. There is no ticket required for entry.