Thalassery fort is 7kms away from Mahe. It was build on 20th August 1708 on a small hill 'Thiruvallipad Kunnu'. Built up of laterite inn.
It is in the form of a square, lofty loop holed well and strong flanking bastion to the north beyond the divisional officers Bungalow. This fort was a formidable strong hold in the past.