3米,最大水深63米,蓄水量22.3億立方米。 McNamara, Jane, Table of lake facts, EnvironmentAgency of England and Wales, [2007-11-13], (原始内容存档于2009-06-28) Ullswater and Aira
Testing Agency) 教學監管局(英语:Teaching Regulation Agency) 環境食物及鄉郊事務部 動植物衛生局(英语:Animal and Plant Health Agency) 環境、漁業及水產養殖科學中心(英语:Centre for Environment, Fisheries