A tower type heat sink wherein a heat pipe for transporting a heat whereby a latent heat of a working fluid encapsulated therein is erected generally vertical on a top face of a flat plate shaped base portion, and a plurality of heat radiating fins are mounted on said heat pipe, and comprises an intermediate portion formed with bending a portion of said heat pipe where the heat radiating fins are not mounted thereon, and a through hole formed on said base portion for letting through said heat pipe to protrude one of its end portion of which said fins are mounted thereon from the top face of said base portion, and to expose the said heating portion on the bottom face of said base portion.