HomeUSAWisconsinSouthBlackhawk Lake Recreation AreaUnion Grove RidgeUnderworldV5V4boulderingFA Duffy HutchinsUPDATED BY vietnguyen Tick this climbDescriptionRoutes in Union Grove Ridge1Green Swoop, TheV4Bouldering 2UnderworldV5Bouldering3Underworld LeftV3Bouldering4Underworld WarmupV0Bouldering5Upside Down, TheV3Bouldering6Sweet'N LowV0Bouldering7Slab left of Sweet'N LowV0Bouldering8Full ChatV3Bouldering9Double BrutalV5Bouldering10Square Root of Jacked ProjectV8+Bouldering11Hungover OwlV0-1Bouldering12Truffle ShuffleV3-Bouldering13IlluminationV2Bouldering14Dick Tip SoftV3+Bouldering15Bark Back MountainV2Bouldering