HomeUSACaliforniaSan Francisco Bay AreaCastle Rock AreaMuffins, TheLower MuffinsLower MuffinsLAT,LNG 37.22590, -122.10450CREATED UPDATED Edit MapShareDescription[Edit]No description available. Be the first to contribute!Add description 6 ClimbsComing soon: New Climbs1Jelly Roll5.10dTr · Sport2Burnt Muffin5.11b/cTr · Sport3Corn Muffin5.10dTr · Sport4Left Chimney5.7+Tr5Right Chimney (a.k.a The Helmet Clamp)5.9Tr6The Sticky Green TraverseV6Bouldering