Arrowhead RC&D’s 25th Anniversary River Rafting Expedition will be held this year on September 4th, 5th and 10th, 11th, and 12th. This 5-6 day event is held at the Tippecanoe River State Park. Area high school students raft on the Tippecanoe River while learning about watersheds, river history, forestry, water testing (chemical and aquatic), river otters, and mussels.