Upcoming 24 spots left The Weekend Retreat - C4 Initiative $ 195 $ 174 usd Before Aug 29, 2025 Fri, Sep 26, 2025, 5:00 PM EDT – Sun, Sep 28, 2025, 1:00 PM EDT Simpsons Park, 70199 Campground Rd, Bruce Township, MI, United States Map Add to calendar Share