2021年10月8至18日，Niwenn 组织80人去密西根北边（或称为：北密，Up Michigan, 或 Upper Peninsula Michigan）看枫叶，参与的人来自 Ann Arbor, Lansing, Novi, Madison Heights, Troy… 分别按以下线路旅游
- 3日旅游线路： Ann Arbor → Tahquamenon Falls → Munising → Porcupine Mountains Wilderness State Park → Pictured Rocks Cruise → Mackinaw Island → Ann Arbor
- 2 日旅游线路： Ann Arbor → Manistee → Inspiration Point → Sleeping Bear Dunes → Empire Bluff Trail → Pierce Stocking Scenic Drive → Traver City → Mackinac Bridge → Cut River Bridge → Ann Arbor
10/17日，原计划在pictured rock坐邮轮，由于浪太大，邮轮取消。我们改为改为走41号路，去Copper Harbor。
- 3日旅游线路：** Ann Arbor → Tahquamenon Falls → Munising → Porcupine Mountains Wilderness State Park → Copper Harbor → Pictured Rocks Cruise → Mackinaw Island → Ann Arbor
期待以后有机会安排3.5 - 4日北密深度游
4 日旅游线路： Ann Arbor → Sault Ste. Marie → Tahquamenon Falls → Pictured Rocks National Lakeshore → Pictured Rocks Cruise → Porcupine Mountains Wilderness State Park → Copper Harbor - Munising → Mackinaw Island → Ann Arbor
