Purchase Knotfest: Slipknot, Till Lindemann, Knocked Loose & Hatebreed tickets for Waterworks Park in Des Moines, IA, scheduled for Sat, Sep 21, 2024 12:00 pm. With 304 tickets up for grabs, priced between $114.00 to $2216.00 and an average price of $709.00, there's an option for every budget. Choose your ideal seat using our handy interactive seating chart.