Ruchill, Water of, a stream of Comrie parish, SW Perthshire, rising on the skirts of Ben Vorlich, and running first 3 miles east-south-eastward, next 7½ miles north-eastward along Glenartney, till it falls into the river Earn at Dalginross, opposite Comrie town. It receives numerous tributaries, chiefly mountain torrents; flows mostly on a rugged channel beset with boulders and fragments of rock; and is in high repute among anglers for abundance of common trout and sea trout.—Ord. Sur., shs. 39, 47, 1869.

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