The A591 the main route north between Ambleside and Keswick passes the Thirlmere reservoir, which opened in 1894.
The Thirlmere reservoir is near Ambleside and Keswick.
mnli hypothesis: The Thirlmere reservoir is near Ambleside and Keswick. premise: The A591 the main route north between Ambleside and Keswick passes the Thirlmere reservoir, which opened in 1894.