The Rampart Field (Finnish: Vallikenttä) is a pesäpallo stadium located in Hamina, Finland.

Since its opening in 1956,[2] it has been the home field of the Haminan Palloilijat, a Superpesis team.

[1][3] The Rampart Field is located in the heart of Hamina Fortress, right next to the ramparts of the central bastion.

Despite this, the pitch is set up in such a way that there is plenty of room for through balls.

[1] City of Hamina has a named street to the Rampart Field after the club's greatest legend, Kari Lindberg.