Peak Mountain 3Add photo Edit Photo MapCopy LinkHomeUSAWashingtonCentral-West Cascades & SeattleSkykomish ValleyThunder Mountain and Slippery Slab TowerSlippery Slab Tower NE FaceEasy 5thtradalpineFA Dave Harrah,William Herston, Keith Rankin, Ruth Rankin, May 1947UPDATED BY vietnguyen Tick this climbDescriptionRoutes in Thunder Mountain and Slippery Slab Tower1Slippery Slab Tower NE FaceEasy 5thTrad · Alpine