Monday, July 14, arrive Rock Harbor on the Isle Royale Queen IV, hike to Daisy Farm (about six and half miles).
Tuesday, July 15, ascend the Greenstone Ridge and hike to West Chickenbone (about nine miles).
Wednesday, July 16, hike down to Lake Ritchie (about four miles).
Thursday, July 17, hike to Threemile (about twelve miles).
Friday, July 18, return to Rock Harbor to catch the ferry (about three miles).
There's a couple of stiff days in there, but there's also a couple of real easy ones. Total mileage, about 35 miles. Chickenbone Lake and Lake Ritchie are both excellent inland waters, full of pike and other tasty fish.