This having a canal like stream originated from some of the dams (Pechiparai, Perunchani, Kodayar and so on) which provides more enough water to this village.

Two major motorways connect Thiruvarambu to Thiruvananthapuram; the National Highway 66 and the Vizhinjam Harbour - Beach Road.

It rains more often in Kanyakumari district than in any other part of Tamil Nadu, with the exception of Chennai.

[citation needed] Like Thiruvananthapuram/Kerala, Thiruvarambu has high standards of living, top quality medical/educational facilities, low corruption rates and a very stable economy without industrialization activities.

Remittances from the Middle East / North Africa / Europe / Singapore and Malaysia add to the steady economy of the region.

Dalits who live in this area celebrate Ambedkar Jeyanthi, Budh poornima, Ayyankali day and Rettaimalai seenivasan gurupooja.