The lighthouse was constructed following a major ship collision in the area to improve coastal safety.
The structure operates on a specialized optical lens system that casts a flash every 10 seconds.
Thangassery was a prominent trading enclave for the Dutch, Portuguese, and British, which influenced the area's historical architecture.
The lighthouse tower is equipped with an electric rotating light system powered by modern generators.
The red and white paint scheme is a standard international convention for daylight visibility at sea.
Thangassery Light House is a 44-meter tall cylindrical tower built in 1902 to guide vessels along the Malabar Coast. The structure features a distinctive red and white striped paint scheme. A spiral staircase and an internal elevator provide access to the upper viewing gallery. The lighthouse overlooks the Arabian Sea and the historic ruins of the 16th-century Portuguese Thangassery Fort. It serves as a functional navigational aid for maritime traffic near the Kollam port. The surrounding grounds include a maritime heritage museum displaying navigation equipment and ship models. The lighthouse remains one of the tallest along the Kerala coastline.
The upper viewing gallery provides a panoramic 360-degree shot of the coastline and the fort ruins.
Bring a pair of binoculars for spotting distant ships and local fishing fleets.
Carry a bottle of water as the climb and coastal humidity can be dehydrating.
Check the weather forecast, as the gallery may restrict access during high winds or monsoon storms.
Do not attempt to climb the tower if you have respiratory or heart conditions, as the internal air can be stagnant and the staircase is steep.
Closed on Mondays for maintenance; may be subject to closure during extreme monsoon weather.
Maintain a quiet demeanor inside the tower; do not lean on or climb over the safety railings of the gallery.