In Great Britain which is the largest lake?

The largest lake in Great Britain is Loch Lomond, located in Scotland. It is the largest freshwater loch in the country and ranks as the 15th largest lake in Europe by surface area. Loch Lomond is about 24 miles long and 5 miles wide, with a surface area of 27 square miles. The lake is surrounded by the beautiful scenery of the Scottish Highlands and is a popular destination for boating, fishing, hiking, and other outdoor activities.