Wark on Tweed Wark on Tweed Wark on Tweed (usually referred to simply as Wark) is a village in the English county of Northumberland. It lies approximately south west of Berwick-upon-Tweed. It is on the south bank of the River Tweed which marks the border between England and Scotland. The ruins of Wark on Tweed Castle, originally an early 12th century motte-and-bailey, lie at the west end of the village. The border between Scotland and England runs down the middle of the River Tweed, however between the villages of Wark and Cornhill the Scottish border comes south of the river to enclose a
River Lark Agency have set a target for ensuring it is moderate by 2027. The river hosts a large population of the invasive species, the signal crayfish. A study published in 2011 identified the decline in eels, which predate the crayfish, as the major factor in their dramatic increase. There is a second, much shorter, River Lark also in Suffolk which flows into the River Deben at Martlesham. River Lark The River Lark is a river in England that crosses the border between Suffolk and Cambridgeshire. It is a tributary of the River Great Ouse, and was extended when that river was