Sawell, Co Londonderry Phil's Journey through Journalism Highest peak in Londonderry, Mt Sawell. Total run time of 1hr. 30 mins up and 30 down again due to soft ground. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Email a link to a friend (Opens in new window) Email Print (Opens in new window) Print Share on Reddit (Opens in new window) Reddit Like Loading... Related