Cave of Hira

Hira (Arabic: حراء‎ Ḥirāʾ ) or the Cave of Hira (غار حراء Ġār Ḥirāʾ ) is a cave about 2 mi (3.2 km) from Mecca, on the mountain named Jabal al-Nour in the Hejaz region of present day Saudi Arabia. The cave itself is about 12 ft (3.7 m) in length and 5 ft 3 in (1.60 m) in width.^[1]
It is notable for being the location where Muslims believe Muhammad received his first revelations from God through the angel Jabril