Caddon, a rivulet of the Selkirkshire section of Stow parish, rising at 1800 feet above sea-level close to the meeting - point with Edinburgh and Peebles shires. Thence it runs 7 miles eastward, southward, and south-eastward to the vicinity of Clovenfords; and then gocs 1 mile southward, along the boundary between Stow and Galashiels parishes, to the river Tweed at Caddonfoot. It gathers its head-streams on the sheep-farm of Caddonhead; passes early between Great Law and Maiden Law, with altitudes above sea-level of 1666 and 1647 feet; and traverses thence a pleasant pastoral vale. Its upper reaches abound with small burn trout, from its lower Galashiels draws its water supply.—Ord. Sur., sh. 25, 1865.

(F.H. Groome, Ordnance Gazetteer of Scotland (1882-4); © 2004 Gazetteer for Scotland)