Dickerman Mountain (summitpost.org) Named after mining engineer Alton L. Dickerson who examined the Monte Cristo mines in 1891. This peak stands east of the South Fork Stillaguamish River, just north of the Barlow Pass area on the Mountain Loop highway east of Granite Falls. The first ascent was completed by in 1897 be Louis C. Fletcher who was working for the USGS. The north face was first ascended August 21, 1970 by Dallas Kloke and David Seman via. the Perry Creek Trail.