HomeUSAPennsylvaniaSoutheastern LowlandsBirdsboro Quarry Big WallFlippin Gravity (The Big Dumb Link-up)5.13dHinterland (first pitch)5.10c5.12csportFA Ryan Crossing? (9/29/12)UPDATED BY vietnguyen Tick this climbDescriptionRoutes in f. Big Wall1CT75.11dSport2Romania5.14Sport3Batman5.11aSport4The Space Between5.11aSport5Laid Back and Well Hung5.11cSport6Twisted Sister5.11dSport7Two Screws5.12aSport8Groovin'5.11dSport9Flippin' the Bird5.13aSport10Flippin Gravity (The Big Dumb Link-up)5.13dSport11Welcome to the Bird5.12cSport 12Hinterland (first pitch)5.10cSport13Hinterland (second anchors)5.12cSport14Opposing Gravity/the Streak (1st pitch)5.10aSport15Opposing Gravity/King Solomon5.13cSport16The Streak (second anchors)5.13aSport17Vulgarian Pterodactyl5.12Sport18Alpine Line (first pitch)5.9Sport19Broken Bit5.12+Sport20Wrecking Ball5.12+Sport