Kodai in Sudlaimadan Temple is celebrated on the first Friday of Adi month and draws devotees from all over the World The recent addition to Valliyur is the United Volunteer Service Society (UVSS) - New Life Home for Aged Destitutes.

It takes half an hour from Vallioor to reach Kudankulam where the atomic power station is constructed now.

Since this place is good at climate conditions and near to the western ghats the wind power generation systems came into existence and the only one in India As per Census 2011, the population of Vadakku Valliyur Town Panchayat is 29,417.

This population figures does not include the newly developed residential areas which do not come under the Town Panchayat limit.

Vadakkuvalliyur Town Panchayat has total administration over 7,760 houses to which it supplies basic amenities like water and sewage.

It is located on NH 44, the longest running north- south highway of India, the four-lane express way provides good connectivity to Valliyur.

Scheduled bus services are available to Tirunelveli, Nagercoil, Chennai, Madurai, Coimbatore, Thiruvananthapuram, Bengaluru and many other places.

The Valliyur Railway station is located on the eastern part of the town provides train connections with Chennai, Bengaluru, Mumbai, Delhi, Howrah, etc.