contains several peaks, 10 mi. N of Goodnews, Kilbuck-Kuskokwim Mts.
Named in 1914 by US@C&GS for its surveying vessel, the S.S. Explorer; name published in 1915 on Chart 9103.
Iktliyagak Mountain, Machewik Mountain, Mumtrak Hill, Puyulik Mountain,
Lakes:Mountains:Beluga Hill, Chawekat Mountain, Cone Mountain, Cot Mountain, Dome Mountain, Explorer Mountain, Figure Four Mountain, Flat Mountain, Ikuktlitlig Mountain, Island Mountain, Kigtsugtag Mountain, Kigtsugtag Mountain, Kiugtlugtulit Mountain, Knight Mountain, Lump Mountain, Mitlak Mountain, Nagotligageivik Mountain, Northeast Twin, Southwest Twin, Peak T, Tatlignagpeke Mountain, Tgolik Mountain, Tooth Mountain, Twin Mountain,
Mountain Ranges:Ridges:Rivers:Goodnews River, Middle Fork Goodnews River, South Fork Goodnews River, Tunulik River,
Streams:Barnum Creek, Camp Creek, Casino Creek, Colorado Creek, Crater Creek, Domingo Creek, Dry Creek, Jacksmith Creek, Native Creek, Nautilus Creek, Poker Creek, Puyulik Creek, Sphinx Creek, Ukfigag Creek, Velvet Creek,
Valleys:Cities: