The Castle of St. John is an early 16th century L-plan tower house

Tower house

A tower house is a particular type of stone structure, built for defensive purposes as well as habitation.-History:Tower houses began to appear in the Middle Ages, especially in mountain or limited access areas, in order to command and defend strategic points with reduced forces...

 in the centre of Stranraer

Stranraer

Stranraer is a town in the southwest of Scotland. It lies in the west of Dumfries and Galloway and in the county of Wigtownshire.Stranraer lies on the shores of Loch Ryan on the northern side of the isthmus joining the Rhins of Galloway to the mainland...

, in Dumfries and Galloway

Dumfries and Galloway

Dumfries and Galloway is one of 32 unitary council areas of Scotland. It was one of the nine administrative 'regions' of mainland Scotland created in 1975 by the Local Government etc. Act 1973...

, southwest Scotland

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

. It was built by the Adairs of Kilhilt. It has been used as a home, a court, a prison, and as a military garrison during the "Killing Times" of Covenanter

Covenanter

The Covenanters were a Scottish Presbyterian movement that played an important part in the history of Scotland, and to a lesser extent in that of England and Ireland, during the 17th century...

persecution in the 1680s. The castle was refurbished in the late 1980s and is now a museum.

External links

• Castle of St John - official site