HomeUSAColoradoBoulderFlatironsNorthGregory Canyon (including The Amphitheatre)Fourth PinnacleHalls of Poison Ivy5.2East Face/4th Pinnacle5.55.4tradFA unknownUPDATED BY vietnguyen Tick this climbDescriptionRoutes in Fourth Pinnacle1Halls of Poison Ivy5.2Trad2East Face Right5.4Trad 3East Face/4th Pinnacle5.5Trad4West Side Bulge5.9+Trad