Tunnel Mill has offered many Cub related activities.  

Tunnel has been home to Tseydin Lodge #65 and Talligewi Lodge #62 later to and then last to Nguttitehen Lodge #205.  Many OA callouts took place at the Summer Camp council ring.  Many Ordeals were complete too.  Section Conclaves were also frequent at TMR.

Originally owned by George Rogers Clark Council and later by Lincoln Heritage Council