The Finisterre Range campaign, also known as the Ramu Valley–Finisterre Range campaign, was a series of actions in the New Guinea campaign of World War II. Several actions in the campaign are sometimes known collectively as the Battle of Shaggy Ridge. The campaign began with an Allied offensive in the Ramu Valley, from 19 September 1943, and concluded when Allied troops entered Madang on 24 April 1944. During the campaign, Australian and U.S.