63 ° 16' 4.001" N,
141 ° 1' 59.002" W
Southeast Fairbanks (CA)
1483 ft (452.02 m)
Flows north to Ladue River, west of Moosehorn Ridge, 48 km (30 mi) northeast of Northway Junction, Yukon-Tanana Highlands.
HistoryProbably named in 1912 for J J McArthur of the International Boundary Commission (IBC).