found: Work cat.: Hiker viewing Mt. Challenger and Luna Peak, n.d., via the Dwight Watson digital images collection, Mar. 13, 2008notes (Caption on image: Mts. Challenger & Luna)
found: GNIS, Mar. 13, 2008(Luna Peak, summit, Whatcom County, Wash., 48°49ʹ50ʺN 121°16ʹ23ʺW, elev. 8127 ft./2477 m.)
found: Washington place names, via WWW, Mar. 13, 2008(Luna Peak; east of the Pickett [i.e. Picket] Range of mountains in central Whatcom County northeast of Mount Fury)
found: Peakbagger.com, Mar. 13, 2008(Luna Peak, Washington, Whatcom County, 48°50ʹN 121°16ʹW; Cascade Range, North Cascades, Skagit Range, Picket Range (highest point))