61 ° 32' 17.002" N,
157 ° 43' 0.998" W
Bethel (CA)
1968 ft (599.85 m)
in Kuskokwim Mts. on W bank of Oskawalik River, 21 mi. SW of Sleetmute, Mts.
HistoryNamed for "Big Jim" Henderson, who prospected near the mountain from 1914 to 1916; reported by in 1945 U.S. Geological Survey (USGS).