◄ UMBRELLA STONE AT VENNIYUR

This Umbrella Stone is situated at a place called Kodakallu on the Tanur-Venniyur route in Venniyur village of Tirurangadi block in Malappuram district. This Umbrella stone is completely made of laterite stone. An umbrella-shaped laterite stone is placed on top of the four laterite layers. 

◄  UMBERLLA STONE AT THAVANUR

This Umbrella Stone is located at Anthyalankoodam on the Athaloor-Ayankalam road in Tavanur Grama Panchayat of Malappuram district. It is seen that four laterite stones of the same shape have been slightly tilted vertically and a carved and polished stone has been placed on top of it. Altogether it resembles a big mushroom of stone.

◄ EDAKKULAM PULACHIKKALLU (MENHIR)

This is a Menhir located at Edakulam on the Puthanathani–Thirunnavaya route in Thirunnavaya Panchayat in Malappuram District. It is variously known as Veerakallu, Pulachikallu or Koothukallu. In 2018 Japan's Kansai University and Kerala University have conducted joint studies at the site. This Menhir is completely made of laterite stone in the shape of rectangular pillar. 

◄  MEGALITHIC SITES AT NILAMBUR 

This megalithic site is situated on the bank River Chaliyar in Nilambur in Malappuram district. This site includes nine cairn circle burials (kalvritham) of Megalithic period. Each burial, bordered with laterite stones, is almost circular having radius ranging from about 2 – 3.5 meter. The laterite stones are huge, either dressed or undressed. At the centre of the burial, there is a chamber covered by a granite slab (cap stone)