Blackadder Water
| Blackadder Water | |
|---|---|
Blackadder Water below Greenlaw | |
Blackadder Water | |
| Location | Scottish Borders |
| Coordinates | 55°45′14″N 2°33′11″W / 55.754°N 2.553°W |
| Basin countries | Scotland |
Blackadder Water (/ˈblækədər/) is a river in Berwickshire in the Scottish Borders area of Scotland, forming part of the River Tweed system. The water reached a height of 2.84 metres at Mouthbridge, which was its highest level ever recorded on Tuesday 22 October 2002 at 2:45pm.