Another megalithic monument is situated at Ariyannur in Thrissur.
Another monolithic monuments like Dolmens and rock-cut caves are at Porkulam, Chiramanengad, Eyyal, Kattakambal and Kakkad.
According to historians, the dolmens are burial sites.
These menhirs are memorials put up at burial sites for the departed souls.
They belong to the Megalithic Age of Kerala, which is roughly estimated between 1000 All such monuments have not been dated exactly.
Some experts are of the view that these are the remnants of the Neolithic Age in the development of human technology.
The Ramavarmapuram menhir is also believed to be a monument belonging to the Sangam period in the South Indian history.It is located 300 kilometres (186 mi) towards north-west of the state capital Thiruvananthapuram.Thrissur [തൃശ്ശൂർ] is also known as the Cultural Capital of Kerala because of its cultural, spiritual and religious leanings throughout history.(Malayalam: തൃശ്ശൂർ) originally Thiru Siva Peroor and previously known by its anglicised form as Trichur, is the fourth largest city, the third largest urban agglomeration in Kerala (Pop. The City is built around a 65-acre (26 ha) hillock called the Thekkinkadu Maidan which seats the Vadakkumnathan temple.Thrissur was once the capital of the Kingdom of Cochin.Thrissur was known by its anglicised name Trichur until 1990 when the Govt.decided to replace with its Malayalam name.