The Korniakt Tower or Kornyak Tower is an architectural monument in Lviv, Ukraine. The tower was built during the Renaissance as a bell tower of the Church of the Assumption. The bell tower is square. It was built of broken stone and surrounded by hewn stone. Polychrome is used in the decoration. The tower is connected with the northern facade of the Church of the Assumption. The facades are decorated with pilasters of the Tuscan order . They have long red arched niches with small window openings. Each tier of the tower is smaller than the one below it. The total height of the tower without the cross is 65.8 m (216 ft)