Sprawling over an area of about 10 sq km, Killiyoor (also spelt Killiyur) is a small town in Kanyakumari District, Tamil Nadu. Pudukadai is situated in the north-west, Valvaithankoshtam in the north-east and Kappiyarai in the east. Jaya Matha Nature Cure and Yoga Centre is the major landmark. Killiyoor is around 35 km from Thiruvananthapuram, Kerala. Kanyakumari (50 km), Colachel Port, Padmanabhapuram Palace, Sanguthurai Beach, Manavalakurichi, Muttam and Nagercoil are nearby tourist spots.
Accommodation facilities are available at Nagercoil. Trivandrum International Airport is the nearest airport. Kuzhithurai Railway Station serves Killiyoor. Killiyoor can be approached from Kuzhithurai and Nagercoil by road.