Tarn Hows January 30, 2020 by Photographer Ravi 2 Tarn Hows is one of the many gems in the English Lake District. There are a lot of ‘tarns’ and ‘hows’ in that part of the world: tjörn is an Old Norse word meaning ‘small mountain lake’ and haugr is from the Old Norse for hill or mound. Tarn Hows Like this:Like Loading...