In 1649, after a visit to Vipuri, the Governor-General of Finland, Per Brahe the Younger, decided to establish a new town near the waterways.

After the Treaty of Nystad, in the fall of 1721, Sweden established a border commission headed by Axel Löwen, general and state counsellor.

[2] When the Hat Party came to power in the late 1730s, it allocated additional funds to expand the fortifications, led by Adam Reinhardt Bruno.

In the 1790s, the castle came under the command of Alexander Suvorov, who continued to develop it as part of the fortification system of southeastern Finland.

[4] After the Finnish Civil War, the White Guards (Finland) established the Lappeenranta prison camp at the castle, which was notorious for the arbitrary executions that took place there.