Peak Mountain 3Add photo Edit Photo MapCopy LinkHomeUSAColoradoBoulderFlatironsSouthHarmon Flatironette<East Face South Side4th>South Arete5.3East Face North Side4thtradFA unknownUPDATED BY vietnguyen Tick this climbDescriptionRoutes in Harmon Flatironette1East Face South Side4thTrad2East Face North Side4thTrad 3South Arete5.3Trad