Catrail
The Catrail is a linear earthwork in Roxburghshire, southern Scotland. It runs from Robert's Linn (55°18′56.7″N 2°43′47.56″W), a burn (stream) flowing into the Slitrig Water, westward and north-westward to the head of the Dean Burn (55°24′3.74″N 2°59′0.18″W), a tributary of the Borthwick Water.