HomeUSAColoradoBoulderFlatironsNorthGreen ThumbGreen ThumbLAT,LNG 39.98710, -105.29490CREATED UPDATED Edit MapShareDescription[Edit]No description available. Be the first to contribute!Add description 11 ClimbsComing soon: New Climbs1Bazooka5.8Trad · Aid2Zimbra5.12Sport3Variation5.8Trad4L.A.S.T. aka Unknown Flakes5.8Trad5Green Crack5.8+Trad6Stainless Steele 'Rete5.10cTrad · Tr7Far Niente5.12aSport8Diagonal Finger Crack5.9Trad9Green Corner5.9Trad10East Face/Green Thumb5.4Trad11Gullwing5.10Trad