Brecqhou (or Brechou; French pronunciation: [bʁɛku]) is one of the Channel Islands, located off the west coast of Sark where they are now geographically detached from each other.

The Ministry of Justice, the department of the United Kingdom government with responsibility for the Channel Islands,[2] considers Brecqhou part of Sark.

[3] The name Brecqhou derives from the Old Norse brekka (slope or escarpment; compare Bricquebec) and holmr (island or islet; see -hou).

[6] It is traversed frequently by yachts during summer and by fishing boats year round and even forms a part of the route taken by occasional powerboating events in the islands.

Originally, La Moinerie de Haut, named after the medieval monastery whose site is close to it, was a parcel of land in northwest Sark that was, at that time, owned by the Seigneur himself.

After assuming ownership, the brothers had intermittent legal disputes with the government of Sark, and expressed a desire to make Brecqhou politically independent.