Thimmamma Marrimanu is a place in the South Indian states Andhra Pradesh. This place has a religious importance importance. It is also a good picnic spot. It has therefore made a place in the Guinness Book of World Records as Thimmamma Marrimanu.

Thimmamma Marrimanu has a huge tree, which is believed to have named after `Thimmamma`, a saintly woman who was suitably sanctified by the local masses. There is a belief that if a childless couple worships `Thimmamma` they would immediately be blessed with a child. During the Shivaratri festival, a big `Jatara` is conducted here, which attracts thousands of devotees. A lot of picnic makers choose this as picnic spot due to its sheer beauty and the grandness of the huge tree whose age is estimated around 550 years. This biggest tree has 1100 prop roots. It is situated about 35 km from Kadiri Gooty Fort. This fort of Thimmamma Marrimanu is one of the oldest citadels of the state. It is situated at the mandal headquarters of Gooty, about 45 km from Ananthapur. From the period of Ashoka to the later British, this fort has changed lots of hands. This historical fort looks like a shell in its composure and has 15 parts with 15 gates. It was constructed based on a wise master plan and it is obvious from the way it has been designed to be self-dependent in all respects including sources of water.