The Battle of Edson's Ridge, also known as the Battle of the Bloody Ridge, Battle of Raiders Ridge, and Battle of the Ridge, was a land battle of the Pacific campaign of World War II between Imperial Japanese Army and Allied (mainly United States Marine Corps) ground forces. It took place from 12–14 September 1942, on Guadalcanal in the Solomon Islands, and was the second of three separate major Japanese ground offensives during the Guadalcanal Campaign.