Vainu Bappu Solar Observatory, one of the largest solar observatories is located in Javadi Hills, Kavalur near Yelagiri. Prior Permission is required to visit this observatory. The observatory houses the Vainu Bappu Telescope which is the largest in Asia. The observatory is owned and operated by Indian Institute of Astrophysics. For those who are fans of science and technology and scientific discoveries, this place is a must visit.