Blue Hills Ski Area trail map: 4 lifts and 15 runs, in 3D. Lifts: Summit Double. Green circle runs: Tea Party, Walsh's Way, Fenway, Sonya, Plymouth. Blue square runs: Lover's Lane, Old Ironsides Terrain Park, Patriots Path, Lower Big Blue. Black diamond runs: Beer's Bluff, Upper Chute, Big Blue Headway, Sachem. Blue Hills Ski Area: passes, snow and terrain.