Bhaktavatsala Perumal Temple, Thirunindravur

An ancient Shiva temple at Thiruverkadu, distinct from the adjoining Karumariamman shrine, noted for its set of directional dikpalaka lingams. It is one of the older Shiva temples of the district and part of the Thiruverkadu temple cluster.

An ancient Shiva temple at Vada Thirumullaivayil counted among the 276 Paadal Petra Sthalams, the 22nd in the Thondai Nadu region, and sung in the Tevaram hymns. The presiding deity is Masilamaneeswarar. The temple is regarded as more than a millennium old.

One of Tamil Nadu's most-visited Amman shrines, dedicated to the goddess Karumariamman and believed to be around 1,000 years old. The locality was historically a dense neem forest, which gave it the name Velkadu or Thiruverkadu. Sundays are the special day of worship and draw very large crowds of devotees.

A Shiva temple in Uthukottai town in the north-western corner of Thiruvallur district, near the Tamil Nadu-Andhra Pradesh border. The presiding deity is worshipped as Papahareswarar, the remover of sins.

A Divya Desam in the heart of Thiruvallur town where Vishnu reclines as Vaidya Veeraraghava, worshipped as a healer of body and mind.

A Shiva temple at Thirupachur, about 3-4 km from Thiruvallur town on the Thiruvallur-Thiruttani route, counted among the 276 Paadal Petra Sthalams, the 16th in Thondai Nadu. The presiding deity is worshipped as Pasupatheeswarar.

A Shiva temple in Kadambathur village, about 250 m from Kadambathur railway station and around 9 km from Thiruvallur. The area was once a forest of kadamba trees, giving it its name. The 13th-century siddhar Shivadeva is associated with worship at this temple.

A major Kosasthalaiyar-river reservoir supplying Chennai, with a landscaped garden that draws visitors when the sluices overflow.

A Shiva temple at Thiruvenpakkam near Poondi, on the northern bank of the Poondi reservoir along the Thiruvallur-Thiruttani road. It is one of the 276 Paadal Petra Sthalams and the 17th Shiva Sthalam of Thondai Nadu, with the deity known as Oondreeswarar.

A popular goddess temple on the banks of the Arani river at Periyapalayam, roughly 45 km north of Chennai on the highway near Red Hills. The main complex is around 200 years old and is dedicated to Bhavani Amman. During the Tamil months of Aadi and Aavani it draws lakhs of pilgrims.

A Vishnu temple in the historic town of Poonamallee whose origins are traced to the 10th century CE during the reign of Chola king Parantaka I. It is one of the principal heritage temples of the old Poonamallee, formerly Poovirundhavalli, settlement.

Built in 1653 CE by Rustam, son of the Golconda courtier Astirabad Dhulfiqar, and regarded as the first Indo-Saracenic style mosque in Tamil Nadu. A Persian inscription dated 1653 CE inside the mosque records its founding. It is one of the key heritage monuments of historic Poonamallee.