Administrative boundaries are often a fiddly distraction on OS maps, masquerading as footpaths and obscuring detail. But in this case a boundary forms the basis for a challenging round. Follow the hilly skyline of Patterdale parish and you'll clock up an impressive list of fells, not to mention sky high distance and ascent stats.
27.55 miles, 44.34 km, 3,114m ascent, 16 hours
Read more at http://www.ukhillwalking.com/logbook/r/?i=840