Agasthyarkoodam is a 1,868-metre (6,129 ft)-tall peak within Neyyar Wildlife Sanctuary in the Western Ghats of South India. The peak lies in the border of Thiruvananthapuram district of Kerala. This peak is a part of the Agasthyamala Biosphere Reserve which lies on the border between the Indian states of Kerala (in Kollam and Thiruvananthapuram district) and Tamil Nadu (in Kanyakumari district, Tirunelveli district).