Fiftytskaya Tower Troitse-Sergiyeva Lavra

Piatnitskaya Tower is located to the left of the Holy Gates of Troitse-Sergiyeva Lavra. Previously it bore the names Round or Piatnitskaya. Inside the tower there was a flour mill and a bakery store. It stands at the junction of the southern and eastern walls of the monastery and during the siege of 1608-1610 it suffered from mining.