Oakland County Parks is joining the City of Rochester Hills' Parks and Natural Resources to present O.A.K. in the Hills at Spencer Park in Rochester Hills. During this Outdoor Adventure Kickoff (O.A.K.) program, participants can explore rock climbing, ziplining, kayaking, fishing, hiking, biking, archery, outdoor art, puppy yoga, reptiles, beekeeping and more. Admission is free and all ages are welcome.