Kuninkaanportti or Kungsporten is the principal entrance to the fortress Suomenlinna outside Helsinki. It is on the southernmost island of Suomenlinna, in front of the Kustaanmiekka strait, and is considered the main symbol of Suomenlinna.
The gate was constructed from 1753 to 1754 at the place where King Adolf Frederick of Sweden anchored his ship when he was coming to inspect the construction of the fortress. The name "the king's gate" comes from this.
The gate is a typical fortress gate with cannon openings. There are wide stairs leading to the gate, but in front of the gate is a drawbridge and a wide pit at both sides, to hinder climbing into the fortress.
Address (Unnamed Road), Suomenlinna 00190, Finland
Coordinates 60°8'22.603" N 24°59'23.901" E