SEATHWAITE, a chapelry and a mountain vale in Kirkby-Ireleth parish, Lancashire. The chapelry lies adjacent to Cumberland, 4¼ miles W by S of Coniston r.station. Post-town, Grisebeck, under Ulverstone. Acres, 10,940. Pop., 171. Houses, 34. The manor belongs to J. J. Rawlinson, Esq. The living is a p. curacy in the diocese of Carlisle. Value, £80.* Patron, J. J. Rawlinson, Esq. The church is good; and there is a parochial school. The vale is mainly identical with the chapelry; descends 4 miles south-westward, at an acute angle to the Duddon river; is flanked, on the right, by Greyfriars mountain, on the left, by the Old Man of Coniston and Dow Crag; and contains, in its central part, the lakelet of S. Tarn, gemmed with an islet, over-hung by precipices, and commanding a vista-view away to Fairfield mountain.
John Marius Wilson, Imperial Gazetteer of England and Wales (1870-72)