The Cave of Hira is a small cave located on the mountain of Jabal al-Nour near Mecca, Saudi Arabia. It is significant in Islamic history as the place where the Prophet Muhammad received his first revelation from the angel Gabriel in 610 CE. The cave is about 3 kilometers from Mecca and is a popular pilgrimage site for Muslims. The cave is approximately 3 meters high and 1.5 meters wide, providing a secluded space for reflection and meditation. Many visitors hike to the cave to connect with the spiritual history of Islam and to honor the moment that marked the beginning of the Quran's revelation.